The Sealing Washer,airc, cataloged under National Stock Number 5310-01-554-6492, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Textron Ground Support Equipment Inc. Div Textron Gse. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Sealing Washer,airc |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Textron Ground Support Equipment Inc. Div Textron Gse (CAGE 4TVG2) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-554-6492 |
| Primary Part Number | 30-20-0006 |
| Item Name | Sealing Washer,airc |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Textron Ground Support Equipment Inc. Div Textron Gse |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 30-20-0006 PRIMARY | Textron Ground Support Equipment Inc. Div Textron Gse (USA) |
| Reference | Meaning |
|---|---|
| 30-20-0006 | 3/9 Design control — primary reference Tug Technologies Corporation |
NSN 5310-01-554-6492 is a Sealing Washer,airc, manufactured by Textron Ground Support Equipment Inc. Div Textron Gse, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-554-6492 has 1 manufacturer part number on file: 30-20-0006 (Textron Ground Support Equipment Inc. Div Textron Gse).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-564-3543. Verify interchangeability with system specifications before substitution.
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.