The Washer,recessed, cataloged under National Stock Number 5310-01-121-8961, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Woodward, Inc. Div Fuel Systems and Controls. Government technical data includes 7 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 | 5310-01-121-8961 |
| Primary Part Number | 3253-032 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Woodward, Inc. Div Fuel Systems and Controls |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Material Document and Classification | AMS 5643 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.600 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN |
| Material Thickness | 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Recess Diameter | 0.350 INCHES NOMINAL IN |
| Material | STEEL COMP 630 OVERALL |
| Hole Diameter | 0.313 INCHES MINIMUM AND 0.317 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 |
|---|---|
| 3253-032 PRIMARY | Woodward, Inc. Div Fuel Systems and Controls (USA) |
NSN 5310-01-121-8961 is a Washer,recessed, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-121-8961 has 1 manufacturer part number on file: 3253-032 (Woodward, Inc. Div Fuel Systems and Controls).
Key specifications for 3253-032: Style Designator: RECESSED; Material Document and Classification: AMS 5643 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.600 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN; Material Thickness: 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN. 7 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.