The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-956-3644, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is De&s Airworthiness Team (dat). Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-956-3644 |
| Primary Part Number | AIRWORTHY CERTIFICATED ITEM |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | De&s Airworthiness Team (dat) |
| Status | ACTIVE |
| Surface Treatment | PASSIVATE WASHER |
| Material | IRON ALLOY 660 NUT |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Quantity Per Inch | 28 |
| Thread Series | UNF |
| Width Across Flats | 0.3125 INCHES NOMINAL IN |
| Temp Rating | 500.0 FAHRENHEIT NOMINAL DEGF |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY AIRWORTHY CERTIFICATED ITEM SUPPLIED WITH CERTIFICATE OF CONFORMITY DOCUMENTATION |
| Washer Outside Diameter | 0.464 INCHES MAXIMUM IN |
| Thread Class | 3B |
| Nut Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Lubrication | DRY FILM LUBRICANT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AIRWORTHY CERTIFICATED ITEM | De&s Airworthiness Team (dat) (GBR) |
| HW42-4 | Ministry of Defence, Uk Military Flying Training System Ipt (mfts Ipt) (GBR) |
| 999-4-01947-008 | Leonardo Uk Ltd (GBR) |
| HW42-4 | Zf Industrieantriebe Witten Gmbh (DEU) |
| HW42-4 | Howmet Global Fastening Systems Inc (USA) |
| 860127-26 | Comet Tool Co (USA) |
NSN 5310-00-956-3644 is a Nut,self-Locking,extended Washer, manufactured by De&s Airworthiness Team (dat), classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-956-3644 has 6 cross-referenced part numbers: AIRWORTHY CERTIFICATED ITEM (De&s Airworthiness Team (dat)), HW42-4 (Ministry of Defence, Uk Military Flying Training System Ipt (mfts Ipt)), 999-4-01947-008 (Leonardo Uk Ltd), HW42-4 (Zf Industrieantriebe Witten Gmbh), HW42-4 (Howmet Global Fastening Systems Inc) and 1 more.
There are 8 known substitutes for 5310-00-956-3644: 5325-00-291-0217, 5330-00-471-6476, 5330-00-471-6482 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for AIRWORTHY CERTIFICATED ITEM: Overall Height: 0.245 INCHES MAXIMUM IN; Surface Treatment: PASSIVATE WASHER; Material: IRON ALLOY 660 NUT; Special Features: AIRWORTHY CERTIFICATED ITEM SUPPLIED WITH CERTIFICATE OF CONFORMITY DOCUMENTATION. 17 total characteristics are documented in the Federal Logistics Information System.