The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-621-2503, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-621-2503 |
| Primary Part Number | MS21042-3(MOD) |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZW |
| Departure From Cited Document | MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS21042-3(MOD) | Naval Inventory Control Point Mechanicsburg (USA) |
| MS21042-3 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5310-01-621-2503 is a Nut,self-Locking,extended Washer, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-621-2503 has 2 cross-referenced part numbers: MS21042-3(MOD) (Naval Inventory Control Point Mechanicsburg), MS21042-3 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There is 1 known substitute for 5310-01-621-2503: 5310-00-807-1467. Verify interchangeability with system specifications before substitution.
Key specifications for MS21042-3(MOD): Criticality Code Justification: ZZZW; Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 2 total characteristics are documented in the Federal Logistics Information System.