The Washer,flat, cataloged under National Stock Number 5310-01-658-5554, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-658-5554 |
| Primary Part Number | S8154-54-020C |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Thickness | 0.020 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 |
|---|---|
| S8154-54-020C PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| S8154-54-020C | Be Aerospace Consumables Management Dba Consumables Solutions Div Consumables Solutions (USA) |
NSN 5310-01-658-5554 is a Washer,flat, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-658-5554 has 2 manufacturer part numbers on file: S8154-54-020C (Honeywell International Inc. Div Aerospace - Torrance), S8154-54-020C (Be Aerospace Consumables Management Dba Consumables Solutions Div Consumables Solutions).
Key specifications for S8154-54-020C: Part Name Assigned by Controlling Agency: WASHER SPECIAL STEEL; End Item Identification: C-5 AIRCRAFT; Material: STEEL OVERALL; Thickness: 0.020 INCHES NOMINAL IN. 2 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.