NSN 5306-00-993-1543 51B4644A1H, 51B464-4A1H, 00-993-1543
Product Details | CLOSE TOLERANCE BOLT
5306-00-993-1543 An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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 not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see BOLT, SHEAR. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see BOLT, MACHINE.
Part Alternates: 51B4644A1H, 51B464-4A1H, 5306-00-993-1543, 00-993-1543, 5306009931543, 009931543
Hardware and Abrasives | Bolts
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1962 | 00-993-1543 | 27851 ( BOLT, CLOSE TOLERANCE ) |
Drawings & Photos | NSN 5306-00-993-1543
Demand History | NSN 5306-00-993-1543
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 5306-00-993-1543 | 2015-08-214 | 6 | DIBBS |
| 51B4644A1H | 2015-02-57 | 15 | TR |
| 5306-00-993-1543 | 2014-06-153 | 6 | DIBBS |
| 5306-00-993-1543 | 2014-05-140 | 6 | DIBBS |
| 5306-00-993-1543 | 2014-02-38 | 2 | DIBBS |
| 5306-00-993-1543 | 2014-01-23 | 2 | DIBBS |
| 5306-00-993-1543 | 2013-10-287 | 49 | DIBBS |
| 5306-00-993-1543 | 2013-08-224 | 68 | DIBBS |
| 5306-00-993-1543 | 2010-10-288 | 41 | DIBBS |
Cross Reference | NSN 5306-00-993-1543
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 51B464-4A1H | 06725 | SPS TECHNOLOGIES LLC DBA AIR INDUSTRIES |
| 51B464-4A1H | 06950 | ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS |
| 51B464-4A1H | 0JRC1 | NORTHROP GRUMMAN TECHNICAL SERVICES, INC. |
| 51B464-4A1H | 17446 | HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS |
| 51B464-4A1H | 27624 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| 51B464-4A1H | 73197 | HI-SHEAR CORPORATION |
| 51B464-4A1H | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE |
| 51B464-4A1H | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP |
| 51B464-4A1H | 92215 | ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS |
| 51B464-4A1H | 97928 | HUCK INTL INC |
| 51B464-4A1H | L4528 | LISI AEROSPACE CANADA CORP |
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Related Products | NSN 5306-00-993-1543
Technical Data | NSN 5306-00-993-1543
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.316 INCHES MINIMUM |
| FASTENER LENGTH | 0.378 INCHES NOMINAL |
| MATERIAL | STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 6150 OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| HEAD STYLE | C1 HEXAGON |
| HEAD HEIGHT | 0.125 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.438 INCHES NOMINAL |
| HOLE CONFIGURATION STYLE | E5 HEXAGON LONGITUDINAL HOLE |
| HOLE TYPE | DRILLED |
| HOLE QUANTITY | 3 |
| HOLE DIAMETER | 0.046 INCHES NOMINAL |
| GRIP LENGTH | 0.062 INCHES NOMINAL |
| GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| SURFACE FINISH | 63.0 MICROINCHES HEAD 32.0 MICROINCHES GRIP 32.0 MICROINCHES THREADS |
| SPECIFICATION/STANDARD DATA | 76823-51B464 MANUFACTURERS STANDARD |
Restrictions/Controls & Freight Information | NSN 5306-00-993-1543
| 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 |
|---|---|---|
| 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 | XX | |
| 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 5306-00-993-1543
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 | 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 |