The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-102-2711, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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 | 5310-01-102-2711 |
| Primary Part Number | 12257242 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Series | UNF |
| Nominal Thread Size | 0.750 INCHES IN |
| Thread Quantity Per Inch | 16 |
| Material Document and Classification | ASTM A331 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Countersink Angle | 90.0 DEGREES NOMINAL NUT |
| Material | STEEL COMP 4130 OR STEEL COMP 4140 OVERALL |
| Surface Treatment | CADMIUM AND CHROMATE OR ZINC OVERALL |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Washer Thickness | 0.120 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Washer Outside Diameter | 1.500 INCHES MINIMUM AND 1.600 INCHES MAXIMUM IN |
| Width Across Flats | 1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12305 | Plesium SL (ESP) |
| 12257242 | N. Papadop0ulos & Co Oe. (GRC) |
| 11.04.04.02 | Anortec SL (ESP) |
| 5310011022711 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 12257242 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5310-01-102-2711 is a Nut,self-Locking,extended Washer, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-102-2711 has 5 cross-referenced part numbers: 12305 (Plesium SL), 12257242 (N. Papadop0ulos & Co Oe.), 11.04.04.02 (Anortec SL), 5310011022711 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 12257242 (U S Army Tank Automotive Command Amsta-Im-Mm).
There are 8 known substitutes for 5310-01-102-2711: 5330-00-090-8493, 5960-00-128-8135, 5305-00-132-6949 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 12257242: Nut Style: HEXAGON; Thread Class: 2B; Thread Series: UNF; Nominal Thread Size: 0.750 INCHES IN. 16 total characteristics are documented in the Federal Logistics Information System.