The Washer,lock, cataloged under National Stock Number 5310-00-521-3772, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-521-3772 |
| Primary Part Number | S12-10-1015 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | CANCELLED |
| Material | NICKEL ALLOY OVERALL |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Heat Treatment | ANNEALED |
| Outside Diameter | 1.312 INCHES NOMINAL IN |
| Material Thickness | 0.035 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S12-10-1015 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 6169 | Aero Corp Sub of Whitehall Corp (USA) |
NSN 5310-00-521-3772 is a Washer,lock, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-521-3772 has 2 cross-referenced part numbers: S12-10-1015 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 6169 (Aero Corp Sub of Whitehall Corp).
There are 3 known substitutes for 5310-00-521-3772: 4210-00-257-0898, 5330-00-292-1562, 6625-00-420-2367. Verify interchangeability with system specifications before substitution.
Key specifications for S12-10-1015: Material: NICKEL ALLOY OVERALL; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Heat Treatment: ANNEALED; Outside Diameter: 1.312 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-521-3772 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.