The Washer,recessed, cataloged under National Stock Number 5310-01-510-3934, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-510-3934 |
| Primary Part Number | 74D111291-2051 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Material Document and Classification | MIL-S-5626 COND TN C3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.7475 INCHES NOMINAL IN |
| Material | STEEL COMP 4140 OVERALL |
| Hole Diameter | 1.0000 INCHES MINIMUM AND 1.0005 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 |
|---|---|
| 74D111291-2051 PRIMARY | The Boeing Company Div Defense (USA) |
| 74D111291-2051 | Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA) |
NSN 5310-01-510-3934 is a Washer,recessed, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-510-3934 has 2 manufacturer part numbers on file: 74D111291-2051 (The Boeing Company Div Defense), 74D111291-2051 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc).
Key specifications for 74D111291-2051: Material Document and Classification: MIL-S-5626 COND TN C3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.7475 INCHES NOMINAL IN; Special Features: BEARING NO REF MS14101-16; BEARING BORE REF 1.0000; BEARING OD REF 1.7500; CONTROLLING AGENCY NOMENCLATURE GUIDE; MATERIAL STOCK 2.000 DIA X 0.44; Material: STEEL COMP 4140 OVERALL. 4 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.