The Washer,seal, cataloged under National Stock Number 5310-01-617-6461, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Independent Rough Terrain Center Llc. Government technical data includes 5 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 | 5310-01-617-6461 |
| Primary Part Number | 1178 |
| Item Name | Washer,seal |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Independent Rough Terrain Center Llc |
| Status | ACTIVE |
| Style Designator | CONCAVE |
| Outside Diameter | 15.9 MILLIMETERS NOMINAL15.9 MILLIMETERS NOMINAL MM |
| Material | STEEL CORROSION RESISTING BODY |
| Material | RUBBER NEOPRENE SEALING ELEMENT |
| Hole Diameter | 6.9 MILLIMETERS NOMINAL6.9 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-617-6461 is a Washer,seal, manufactured by Independent Rough Terrain Center Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-617-6461 has 2 manufacturer part numbers on file: 1178 (Independent Rough Terrain Center Llc), JMFW (Endries International, Inc. Dba Servtonics, an Endries International, Inc.).
Key specifications for 1178: Overall Height: 3.2 MILLIMETERS NOMINAL3.2 MILLIMETERS NOMINAL MM; Style Designator: CONCAVE; Outside Diameter: 15.9 MILLIMETERS NOMINAL15.9 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: WSH,.270,.630,.125,WT SSWSH,.270,.630,.125,WT SS. 5 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.