The Washer,flat, cataloged under National Stock Number 5310-00-382-8191, 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 Military Avionics & Helicopters Div Collins Aerospace - Military Avionics & Helicopters. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-382-8191 |
| Primary Part Number | 618-5303-001 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Military Avionics & Helicopters Div Collins Aerospace - Military Avionics & Helicopters |
| Status | ACTIVE |
| Overall Diameter | 0.360 INCHES NOMINAL IN |
| Material Document and Classification | L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.128 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Thickness | 0.062 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 |
| Part Number | Manufacturer |
|---|---|
| 618-5303-001 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Military Avionics & Helicopters Div Collins Aerospace - Military Avionics & Helicopters (USA) |
| Reference | Meaning |
|---|---|
| 618-5303-001 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 5310-00-382-8191 is a Washer,flat, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Military Avionics & Helicopters Div Collins Aerospace - Military Avionics & Helicopters, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-382-8191 has 1 manufacturer part number on file: 618-5303-001 (Rockwell Collins, Inc. Dba Collins Aerospace Military Avionics & Helicopters Div Collins Aerospace - Military Avionics & Helicopters).
Key specifications for 618-5303-001: Overall Diameter: 0.360 INCHES NOMINAL IN; Material Document and Classification: L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 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.