NSN 5305-01-374-5944 HT271A37M, HT271A3-7M, ST3M430V37ASM
Product Details | CLOSE TOLERANCE SCREW
5305-01-374-5944 A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
Part Alternates: HT271A37M, HT271A3-7M, ST3M430V37ASM, ST3M430V3-7ASM, 5305-01-374-5944, 01-374-5944, 5305013745944, 013745944
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 26 APR 1993 | 01-374-5944 | 29294 ( SCREW, CLOSE TOLERANCE ) |
Drawings & Photos | NSN 5305-01-374-5944
Demand History | NSN 5305-01-374-5944
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| HT271A3-7M | 2025-03-83 | 279 | DIBBS |
| ST3M430V3-7ASM | 2025-03-83 | 279 | DIBBS |
| HT271A3-7M | 2023-12-351 | 405 | DIBBS |
| ST3M430V3-7ASM | 2023-12-351 | 405 | DIBBS |
| HT271A3-7M | 2023-04-106 | 221 | DIBBS |
| ST3M430V3-7ASM | 2023-04-106 | 221 | DIBBS |
| HT271A3-7M | 2022-09-258 | 295 | DIBBS |
| ST3M430V3-7ASM | 2022-09-258 | 295 | DIBBS |
| HT271A3-7M | 2022-05-138 | 90 | DIBBS |
| ST3M430V3-7ASM | 2022-05-138 | 90 | DIBBS |
| HT271A3-7M | 2022-05-124 | 460 | DIBBS |
| ST3M430V3-7ASM | 2022-05-124 | 460 | DIBBS |
| HT271A3-7M | 2022-04-109 | 460 | DIBBS |
| ST3M430V3-7ASM | 2022-04-109 | 460 | DIBBS |
| HT271A3-7M | 2022-04-95 | 130 | DIBBS |
| ST3M430V3-7ASM | 2022-04-95 | 130 | DIBBS |
| HT271A3-7M | 2022-02-46 | 190 | DIBBS |
| ST3M430V3-7ASM | 2022-02-46 | 190 | DIBBS |
| HT271A3-7M | 2021-03-75 | 410 | DIBBS |
| ST3M430V3-7ASM | 2021-03-75 | 410 | DIBBS |
| HT271A3-7M | 2020-11-309 | 130 | DIBBS |
| ST3M430V3-7ASM | 2020-11-309 | 130 | DIBBS |
| ST3M430V37ASM | 2020-10-293 | 1702 | Saudi Arabia |
| ST3M430V37ASM | 2020-10-292 | 1384 | Saudi Arabia |
| HT271A3-7M | 2019-07-197 | 109 | DIBBS |
| ST3M430V3-7ASM | 2019-07-197 | 109 | DIBBS |
| 5305-01-374-5944 | 2017-02-32 | 115 | DIBBS |
| 5305-01-374-5944 | 2015-07-210 | 157 | DIBBS |
| 5305-01-374-5944 | 2015-04-120 | 39 | DIBBS |
| 5305-01-374-5944 | 2014-07-204 | 124 | DIBBS |
| 5305-01-374-5944 | 2014-05-149 | 150 | DIBBS |
| 5305-01-374-5944 | 2012-02-46 | 545 | DIBBS |
| 5305-01-374-5944 | 2012-01-27 | 209 | DIBBS |
Cross Reference | NSN 5305-01-374-5944
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| HT271A3-7M | 73197 | HI-SHEAR CORPORATION |
| HT271A3-7M | L4528 | LISI AEROSPACE CANADA CORP |
| ST3M430V3-7ASM | 17446 | HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS |
| ST3M430V3-7ASM | 76301 | BOEING COMPANY, THE DBA BOEING |
| ST3M430V3-7ASM | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP |
| ST3M430V3-7ASM | 92215 | ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS |
| ST3M430V3-7ASM | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION |
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Related Products | NSN 5305-01-374-5944
Technical Data | NSN 5305-01-374-5944
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.406 INCHES NOMINAL |
| FASTENER LENGTH | 0.838 INCHES MINIMUM AND 0.865 INCHES MAXIMUM |
| MATERIAL | TITANIUM ALLOY UNS R56400 OR TITANIUM ALLOY UNS R56440 OVERALL |
| HEAD STYLE | C51 FLAT COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM |
| HEAD HEIGHT | 0.0785 INCHES MINIMUM AND 0.0805 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | D9 HIGH-TORQUE |
| GRIP LENGTH | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD 32.0 MICROINCHES THREADS |
| FEATURES PROVIDED | DRY FILM LUBRICANT AND O RING |
Restrictions/Controls & Freight Information | NSN 5305-01-374-5944
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| NMF Description | 093486 | BOLTS,NUTS OR SCREWS, NOI (SUB 3) |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 573 | unknown |
| Originating Activity Code | KH | Defense Industrial Supply Center Philadelphia, PA 19111 |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |
Management | NSN 5305-01-374-5944
Air Force| Category | Code | Description |
|---|---|---|
| Budget Code | 9 | General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors. |
| Price Validation | N | The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
|
| Fund Code | SF | Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point. |
| Materiel Management Aggregation Code | SX | SX:AF SICA RESIDUAL MMAC-OC-ALC |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DF | Department of the Air Force |
| Service Organization | F | U.S. Air Force |
| Reparability | N | Stock Fund (except Munitions) |
| Acquisition Advice Codes | Z | INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
Q EA : Each |