The Washer,lock, cataloged under National Stock Number 5310-00-262-3576, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Drs Sustainment Systems, Inc.. Government technical data includes 8 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-262-3576 |
| Primary Part Number | G221439-21 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Drs Sustainment Systems, Inc. |
| Status | CANCELLED |
| Material Thickness | 0.047 INCHES NOMINAL IN |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Nondefinitive Spec/std Data | C CLASS AND 1 STYLE |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 385 OR STEEL COMP 384 OVERALL |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| Hole Diameter | 0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN |
| Outside Diameter | 0.439 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| G221439-21 | Drs Sustainment Systems, Inc. (USA) |
| 616938PC4 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 12Z3018PC27 | Naval Ordnance Standards (USA) |
| FFW84CLASSCSTYLE1 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 416618-7 | Raytheon Company Dba Raytheon (USA) |
| G221439-21 | Allmetal Screw Products Corp (USA) |
NSN 5310-00-262-3576 is a Washer,lock, manufactured by Drs Sustainment Systems, Inc., classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-262-3576 has 6 cross-referenced part numbers: G221439-21 (Drs Sustainment Systems, Inc.), 616938PC4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 12Z3018PC27 (Naval Ordnance Standards), FFW84CLASSCSTYLE1 (Federal Specifications Promulgated by General Services Administration Washington DC), 416618-7 (Raytheon Company Dba Raytheon) and 1 more.
There are 8 known substitutes for 5310-00-262-3576: 5310-00-043-5862, 5310-00-058-2948, 5310-00-209-1235 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for G221439-21: Material Thickness: 0.047 INCHES NOMINAL IN; Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Nondefinitive Spec/std Data: C CLASS AND 1 STYLE. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-262-3576 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.