NSN 5305-00-843-8278 AN50053, AN500-5-3, 38271
Product Details | MACHINE SCREW
5305-00-843-8278 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
Part Alternates: AN50053, AN500-5-3, 38271, 5305-00-843-8278, 00-843-8278, 5305008438278, 008438278
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1963 | 00-843-8278 | 06657 ( SCREW, MACHINE ) |
Drawings & Photos | NSN 5305-00-843-8278
Demand History | NSN 5305-00-843-8278
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 5305-00-843-8278 | 2025-10-286 | 300 | DIBBS |
| 5305-00-843-8278 | 2020-04-113 | 400 | DIBBS |
| 5305-00-843-8278 | 2019-07-211 | 38 | DIBBS |
| 5305-00-843-8278 | 2018-07-191 | 200 | DIBBS |
| 5305-00-843-8278 | 2017-05-122 | 54 | DIBBS |
| 5305-00-843-8278 | 2016-05-122 | 76 | DIBBS |
| 5305-00-843-8278 | 2010-01-12 | 2600 | DIBBS |
Cross Reference | NSN 5305-00-843-8278
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 38271 | 0B6S1 | INTERNATIONAL BUSINESS MACHINES CORP PARTS ORDER CENTER DEPT E - 54 |
| 38271 | 30874 | INTERNATIONAL BUSINESS MACHINES CORP |
| 38271 | 88360 | INTERNATIONAL BUSINESS MACHINES CORP ENDICOTT DEVELOPMENT LAB |
| AN500-5-3 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
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Technical Data | NSN 5305-00-843-8278
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.125 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.138 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| FASTENER LENGTH | 0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| SCREW MATERIAL | STEEL OR STEEL COMP 1010 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-630 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-631 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | CADMIUM |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE |
| MINIMUM TENSILE STRENGTH | 60000 POUNDS PER SQUARE INCH |
| HEAD STYLE | A33 FILLISTER |
| HEAD DIAMETER | 0.187 INCHES MINIMUM AND 0.205 INCHES MAXIMUM |
| HEAD HEIGHT | 0.081 INCHES MINIMUM AND 0.088 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | B1 CROSS RECESS TYPE 1 |
| MANUFACTURERS CODE | 88044 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | AN500-5-3 |
Restrictions/Controls & Freight Information | NSN 5305-00-843-8278
| 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: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||
Management | NSN 5305-00-843-8278
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. |
| 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 | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
Q EA : Each |