The Washer,recessed, cataloged under National Stock Number 5310-00-738-8935, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-738-8935 |
| Primary Part Number | 429003 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Outside Diameter | 5.316 INCHES NOMINAL IN |
| Recess Depth | 0.354 INCHES NOMINAL IN |
| Material Thickness | 0.042 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 4.647 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-00-738-8935 is a Washer,recessed, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-738-8935 has 3 manufacturer part numbers on file: 429003 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 129003 (Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring), 429003 (Alinabal Holdings Corporation Div Engineered Products Group).
2 possible matches (shared part number, not a government interchangeability claim): 6625-01-034-3268, 4470-01-242-3331. Verify interchangeability with system specifications before substitution.
Key specifications for 429003: Overall Height: 0.394 INCHES NOMINAL IN; Style Designator: RECESSED; Outside Diameter: 5.316 INCHES NOMINAL IN; Recess Depth: 0.354 INCHES NOMINAL IN. 6 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.