The Washer,flat, cataloged under National Stock Number 5310-00-680-5359, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 9 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. 3 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 | 5310-00-680-5359 |
| Primary Part Number | 543-3330-002 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Overall Diameter | 0.812 INCHES NOMINAL IN |
| Hardness Rating | 50.0 ROCKWELL C NOMINAL |
| Material Document and Classification | -QQ-A-763 CL 440 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.313 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN |
| Thickness | 0.060 INCHES MINIMUM AND 0.065 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 |
|---|---|
| 543-3330-002 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| 119152 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
NSN 5310-00-680-5359 is a Washer,flat, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-680-5359 has 2 manufacturer part numbers on file: 543-3330-002 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 119152 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
3 possible matches (shared part number, not a government interchangeability claim): 5360-00-741-8140, 5330-00-965-0740, 7920-01-654-3537. Verify interchangeability with system specifications before substitution.
Key specifications for 543-3330-002: Overall Diameter: 0.812 INCHES NOMINAL IN; Hardness Rating: 50.0 ROCKWELL C NOMINAL; Material Document and Classification: -QQ-A-763 CL 440 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 9 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.