The Washer,flat, cataloged under National Stock Number 5310-00-899-8867, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Allied Specialty Precision Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-899-8867 |
| Primary Part Number | 173293 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Allied Specialty Precision Inc |
| Status | ACTIVE |
| Overall Diameter | 1.800 INCHES MINIMUM AND 1.820 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 6370 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CADMIUM OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 4130 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.130 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN |
| Thickness | 0.080 INCHES MINIMUM AND 0.100 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 |
|---|---|
| 173293 PRIMARY | Allied Specialty Precision Inc (USA) |
| Reference | Meaning |
|---|---|
| 173293 | 3/9 Design control — primary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 173293 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
| 173293 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
NSN 5310-00-899-8867 is a Washer,flat, manufactured by Allied Specialty Precision Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-899-8867 has 1 manufacturer part number on file: 173293 (Allied Specialty Precision Inc).
Key specifications for 173293: Overall Diameter: 1.800 INCHES MINIMUM AND 1.820 INCHES MAXIMUM IN; Material Document and Classification: AMS 6370 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: CADMIUM OVERALL. 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.