The Washer,flat, cataloged under National Stock Number 5310-01-272-3316, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Century Fasteners Corp. Dba Century Fasteners Corp. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-272-3316 |
| Primary Part Number | 5338737-003SS |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Century Fasteners Corp. Dba Century Fasteners Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 10.7 MILLIMETERS MINIMUM AND 11.3 MILLIMETERS MAXIMUM MM |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 316 OVERALL |
| Center Hole Shape Style | ROUND |
| Thickness | 0.9 MILLIMETERS MINIMUM AND 1.1 MILLIMETERS MAXIMUM MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5338737-003SS PRIMARY | Century Fasteners Corp. Dba Century Fasteners Corp (USA) |
| 5338737-003SS PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 5338737-003SS PRIMARY | Metric and Multistandard Components Corp (USA) |
| Reference | Meaning |
|---|---|
| 5338737-003SS | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 5310-01-272-3316 is a Washer,flat, manufactured by Century Fasteners Corp. Dba Century Fasteners Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-272-3316 has 3 manufacturer part numbers on file: 5338737-003SS (Century Fasteners Corp. Dba Century Fasteners Corp), 5338737-003SS (Sps Technologies, Llc Dba PB Fasteners), 5338737-003SS (Metric and Multistandard Components Corp).
Key specifications for 5338737-003SS: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 10.7 MILLIMETERS MINIMUM AND 11.3 MILLIMETERS MAXIMUM MM; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 9 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.