The Washer,recessed, cataloged under National Stock Number 5310-00-762-9523, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fisica Applied Technologies, Inc. Div Randtron Antenna Systems. Government technical data includes 10 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 | 5310-00-762-9523 |
| Primary Part Number | 78938 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fisica Applied Technologies, Inc. Div Randtron Antenna Systems |
| Status | ACTIVE |
| Surface Treatment Document and Classification | DV-PST-2 FSCM 50643 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Heat Treatment | T-6 SOLUTION HEAT TREATED, ARTIFICALLY AGED |
| Style Designator | RECESSED |
| Material Document and Classification | QQ-A-225/8 TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.058 INCHES MINIMUM AND 1.068 INCHES MAXIMUM IN |
| Recess Depth | 0.032 INCHES NOMINAL IN |
| Material Thickness | 0.011 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Hole Diameter | 0.940 INCHES MINIMUM AND 0.946 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 |
|---|---|
| 78938 PRIMARY | Fisica Applied Technologies, Inc. Div Randtron Antenna Systems (USA) |
NSN 5310-00-762-9523 is a Washer,recessed, manufactured by Fisica Applied Technologies, Inc. Div Randtron Antenna Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-762-9523 has 1 manufacturer part number on file: 78938 (Fisica Applied Technologies, Inc. Div Randtron Antenna Systems).
Key specifications for 78938: Overall Height: 0.062 INCHES NOMINAL IN; Surface Treatment Document and Classification: DV-PST-2 FSCM 50643 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Heat Treatment: T-6 SOLUTION HEAT TREATED, ARTIFICALLY AGED; Style Designator: RECESSED. 10 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.