The Washer,flat, cataloged under National Stock Number 5310-01-176-7023, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-176-7023 |
| Primary Part Number | HS4134P10 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Overall Diameter | 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5758 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5844 PER M+35N ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | COBALT ALLOY OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.627 INCHES MINIMUM AND 0.631 INCHES MAXIMUM IN |
| Thickness | 0.071 INCHES MINIMUM AND 0.085 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 |
|---|---|
| HS4134P10 | The Boeing Company (USA) |
| HS4134P10 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| HS4134P10 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| HS4134P10 | 3/9 Design control — primary reference Mcdonnell Douglas Helicopter Co Inc |
| 75708P010 | 5/9 Secondary reference Lars Industries Inc Dba Mcdonald Technologies Intl Inc |
NSN 5310-01-176-7023 is a Washer,flat, manufactured by The Boeing Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-176-7023 has 3 manufacturer part numbers on file: HS4134P10 (The Boeing Company), HS4134P10 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), HS4134P10 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for HS4134P10: Overall Diameter: 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN; Material Document and Classification: AMS 5758 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5844 PER M+35N ASSN STD 2ND MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Special Features: 260,000 PSI MIN,HEAT TREATMENT. 8 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.