The Washer,key, cataloged under National Stock Number 5310-01-180-0076, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div Ocean Systems. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-180-0076 |
| Primary Part Number | 3328538 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | L3 Technologies, Inc. Div Ocean Systems |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Distance Including Keys | 1.000 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN |
| Material Document and Classification | 3331005-B1-0020 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.840 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN |
| Material Thickness | 0.020 INCHES NOMINAL IN |
| External Key Quantity | 10 |
| Internal Prebent Key Length | 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| External Prebent Key Width | 0.084 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN |
| Hole Diameter | 0.635 INCHES MINIMUM AND 0.645 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 |
|---|---|
| 3328538 PRIMARY | L3 Technologies, Inc. Div Ocean Systems (USA) |
| Reference | Meaning |
|---|---|
| 3328538 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
NSN 5310-01-180-0076 is a Washer,key, manufactured by L3 Technologies, Inc. Div Ocean Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-180-0076 has 1 manufacturer part number on file: 3328538 (L3 Technologies, Inc. Div Ocean Systems).
Key specifications for 3328538: Surface Treatment Document and Classification: QQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Distance Including Keys: 1.000 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN; Material Document and Classification: 3331005-B1-0020 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.840 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN. 10 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.