The Washer,key, cataloged under National Stock Number 5310-00-151-5545, 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 14 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-151-5545 |
| Primary Part Number | MILW21338 |
| 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 |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Nondefinitive Spec/std Data | 1 TYPE AND 4 CLASS |
| Hole Diameter | 1.992 INCHES MINIMUM AND 2.017 INCHES MAXIMUM IN |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| External Key Quantity | 17 |
| Outside Diameter | 2.438 INCHES MINIMUM AND 2.468 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 2.922 INCHES MAXIMUM IN |
| Internal Prebent Key Length | 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Material Thickness | 0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN |
| External Prebent Key Width | 0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 ROCKWELL B MINIMUM AND 90.0 ROCKWELL B MAXIMUM |
| Style Designator | KEY |
| Internal Prebent Key Width | 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILW21338 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MS19070-103 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5310-00-151-5545 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 5310-00-151-5545 has 2 cross-referenced part numbers: MILW21338 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS19070-103 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 5310-00-151-5545: 5310-00-008-5904, 5310-00-150-3963, 5310-00-159-6282 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MILW21338: Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL; Surface Treatment: PASSIVATE OVERALL; Nondefinitive Spec/std Data: 1 TYPE AND 4 CLASS; Hole Diameter: 1.992 INCHES MINIMUM AND 2.017 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.