The Washer,lock, cataloged under National Stock Number 5310-01-178-3707, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-178-3707 |
| Primary Part Number | 310C096-1 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | FLAT INTERNAL TEETH |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 1.147 INCHES MINIMUM AND 1.166 INCHES MAXIMUM IN |
| Material Thickness | 0.045 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Material | STEEL COMP 1050 OR STEEL COMP 1053 OR STEEL COMP 1054 OR STEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1064 OVERALL |
| Hole Diameter | 0.704 INCHES MINIMUM AND 0.723 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 |
|---|---|
| 310C096-1 | Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana (USA) |
| Reference | Meaning |
|---|---|
| 310C096-1 | 3/9 Design control — primary reference Bfm Energy Products Corp |
NSN 5310-01-178-3707 is a Washer,lock, manufactured by Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-178-3707 has 1 manufacturer part number on file: 310C096-1 (Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana).
Key specifications for 310C096-1: Surface Treatment Document and Classification: QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: FLAT INTERNAL TEETH; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 1.147 INCHES MINIMUM AND 1.166 INCHES MAXIMUM IN. 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.