The Washer,flat, cataloged under National Stock Number 5310-01-168-9157, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Saint-Gobain Performance Plastics Corporation. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-168-9157 |
| Primary Part Number | 8900785P003 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Saint-Gobain Performance Plastics Corporation |
| Status | ACTIVE |
| Overall Diameter | 0.469 INCHES NOMINAL IN |
| Material Document and Classification | 97424 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.251 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Thickness | 0.028 INCHES MINIMUM AND 0.032 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 |
|---|---|
| 8900785P003 PRIMARY | Saint-Gobain Performance Plastics Corporation (USA) |
| Reference | Meaning |
|---|---|
| 8900785P003 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-168-9157 is a Washer,flat, manufactured by Saint-Gobain Performance Plastics Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-168-9157 has 1 manufacturer part number on file: 8900785P003 (Saint-Gobain Performance Plastics Corporation).
Key specifications for 8900785P003: Overall Diameter: 0.469 INCHES NOMINAL IN; Material Document and Classification: 97424 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 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.