The Washer,flat, cataloged under National Stock Number 5310-01-169-2926, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Breeze-Eastern Llc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-169-2926 |
| Primary Part Number | SP-1596-1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Breeze-Eastern Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 1.670 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ANODIZE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.624 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Thickness | 0.047 INCHES MINIMUM AND 0.053 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 |
|---|---|
| SP-1596-1 PRIMARY | Breeze-Eastern Llc (USA) |
NSN 5310-01-169-2926 is a Washer,flat, manufactured by Breeze-Eastern Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-169-2926 has 1 manufacturer part number on file: SP-1596-1 (Breeze-Eastern Llc).
Key specifications for SP-1596-1: Surface Treatment Document and Classification: MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 1.670 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Special Features: TEMPER T3 OR T4. 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.