The Washer,flat, cataloged under National Stock Number 5310-01-073-5069, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Astronautics Corporation of America. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-073-5069 |
| Primary Part Number | 11142-227 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Overall Diameter | 0.238 INCHES MINIMUM AND 0.242 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 301 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.128 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN |
| Thickness | 0.0095 INCHES MINIMUM AND 0.0105 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 |
|---|---|
| 11142-227 PRIMARY | Astronautics Corporation of America (USA) |
NSN 5310-01-073-5069 is a Washer,flat, manufactured by Astronautics Corporation of America, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-073-5069 has 1 manufacturer part number on file: 11142-227 (Astronautics Corporation of America).
Key specifications for 11142-227: Overall Diameter: 0.238 INCHES MINIMUM AND 0.242 INCHES MAXIMUM IN; Material Document and Classification: QQ-S-766 FED SPEC 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.