The Washer,key, cataloged under National Stock Number 5310-00-150-3963, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-150-3963 |
| Primary Part Number | MIL-W-21338 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Prebent Key Length | 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| External Prebent Key Width | 0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN |
| Material Thickness | 0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL |
| Internal Prebent Key Width | 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Hole Diameter | 1.792 INCHES MINIMUM AND 1.817 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 2.734 INCHES MAXIMUM IN |
| Outside Diameter | 2.281 INCHES MINIMUM AND 2.311 INCHES MAXIMUM IN |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| External Key Quantity | 17 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-W-21338 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MS19070-093 | Alliant Techsystems Operations Llc (USA) |
| MS19070-093 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5310-00-150-3963 is a Washer,key, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-150-3963 has 3 cross-referenced part numbers: MIL-W-21338 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS19070-093 (Alliant Techsystems Operations Llc), MS19070-093 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 5310-00-150-3963: 5310-00-008-5904, 5310-00-151-5545, 5310-00-159-6282 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-W-21338: Surface Treatment: PASSIVATE OVERALL; Internal Prebent Key Length: 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN; External Prebent Key Width: 0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN; Material Thickness: 0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN. 12 total characteristics are documented in the Federal Logistics Information System.