The Retainer,seal, cataloged under National Stock Number 5330-00-623-0678, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-623-0678 |
| Primary Part Number | 8417301 |
| Item Name | Retainer,seal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Flange Thickness | 1.375 INCHES NOMINAL IN |
| Bolt Hole Diameter | 0.281 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-777 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Aperture Diameter | 3.015 INCHES MINIMUM AND 3.030 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 4 |
| Mounting Flange Diameter | 4.500 INCHES NOMINAL IN |
| Material | STEEL COMP 1095 OVERALL |
| Seal Seat Depth | 1.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8417301 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5330-00-623-0678 is a Retainer,seal, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-623-0678 has 1 manufacturer part number on file: 8417301 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-493-2015. Verify interchangeability with system specifications before substitution.
Key specifications for 8417301: Overall Height: 1.625 INCHES NOMINAL IN; Flange Thickness: 1.375 INCHES NOMINAL IN; Bolt Hole Diameter: 0.281 INCHES NOMINAL IN; Material Document and Classification: QQ-S-777 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 8 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5330-00-623-0678 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.