The Washer,flat, cataloged under National Stock Number 5310-01-474-1316, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-474-1316 |
| Primary Part Number | 124-4637387 PC 18 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Diameter | 2.250 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 0.781 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND |
| Thickness | 0.188 INCHES NOMINAL IN |
| Center Hole Shape Style | ROUND |
| Cross-Sectional Shape Style | RECTANGULAR |
| Material Document and Classification | QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 25/32ID X 2-1/4 OD X 3/16THK BR | Zf Industrieantriebe Witten Gmbh (DEU) |
| 124-4637387 PC 18 PRIMARY | Naval Sea Systems Command (USA) |
| 4637387 | Naval Sea Systems Command (USA) |
NSN 5310-01-474-1316 is a Washer,flat, manufactured by Naval Sea Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-474-1316 has 3 cross-referenced part numbers: 25/32ID X 2-1/4 OD X 3/16THK BR (Zf Industrieantriebe Witten Gmbh), 124-4637387 PC 18 (Naval Sea Systems Command), 4637387 (Naval Sea Systems Command).
There are 2 known substitutes for 5310-01-474-1316: 5310-01-473-3680, 5310-01-474-8411. Verify interchangeability with system specifications before substitution.
Key specifications for 124-4637387 PC 18: Overall Diameter: 2.250 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT; Material: COPPER ALLOY OVERALL; Hole Diameter: 0.781 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.