The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-01-124-1271, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Triumph Actuation Systems - Connecticut, Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-124-1271 |
| Primary Part Number | 4202046-1 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Triumph Actuation Systems - Connecticut, Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | PS13001,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Height | 0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED AND RECESSED |
| Material Document and Classification | MIL-S-5059,COND 1/2 HARD MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5643,COND H1025 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.030 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN |
| Material Thickness | 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.940 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 301 OR STEEL COMP 630 OVERALL |
| Hole Diameter | 0.870 INCHES NOMINAL IN |
| Recess Angle | 57.0 DEGREES MINIMUM AND 63.0 DEGREES MAXIMUM |
| 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 |
|---|---|
| 4202046-1 PRIMARY | Triumph Actuation Systems - Connecticut, Llc (USA) |
| Reference | Meaning |
|---|---|
| 10109422 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5310-01-124-1271 is a Washer,shouldered and Recessed, manufactured by Triumph Actuation Systems - Connecticut, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-124-1271 has 1 manufacturer part number on file: 4202046-1 (Triumph Actuation Systems - Connecticut, Llc).
Key specifications for 4202046-1: Surface Treatment Document and Classification: PS13001,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Shoulder Height: 0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN; Style Designator: SHOULDERED AND RECESSED; Material Document and Classification: MIL-S-5059,COND 1/2 HARD MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5643,COND H1025 ASSN STD 2ND MATERIAL RESPONSE OVERALL. 11 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.