The Washer,flat, cataloged under National Stock Number 5310-00-470-7948, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-470-7948 |
| Primary Part Number | 8431-162 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Surface Treatment Document and Classification | CAP-142 FSCM 11871 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.650 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-5-698 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Color | BLACK OVERALL |
| Surface Treatment | CADMIUM OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Thickness | 0.032 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 8431-162 PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 5310-00-470-7948 is a Washer,flat, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-470-7948 has 1 manufacturer part number on file: 8431-162 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 8431-162: Surface Treatment Document and Classification: CAP-142 FSCM 11871 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.650 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN; Material Document and Classification: QQ-5-698 FED SPEC ALL MATERIAL RESPONSES OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 11 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.