The Seal,plain Encased, cataloged under National Stock Number 5330-00-181-4812, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Hme, Inc. Dba Hme Ahrens-Fox. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Seal,plain Encased |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207); Hme, Inc. Dba Hme Ahrens-Fox (CAGE 28158) |
| Parameter | Value |
|---|---|
| NSN | 5330-00-181-4812 |
| Primary Part Number | AE31577 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Hme, Inc. Dba Hme Ahrens-Fox |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| CPR102745-6 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| AE31577 PRIMARY | Hme, Inc. Dba Hme Ahrens-Fox (USA) |
| Reference | Meaning |
|---|---|
| 5330001814812 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 522886 | 5/9 Secondary reference U.S. Government activity |
| 542163 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-00-181-4812 is a Seal,plain Encased, manufactured by Hme, Inc. Dba Hme Ahrens-Fox, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-181-4812 has 2 manufacturer part numbers on file: CPR102745-6 (U S Army Tank Automotive Command Amsta-Im-Mm), AE31577 (Hme, Inc. Dba Hme Ahrens-Fox).
1 possible match (shared part number, not a government interchangeability claim): 2915-00-594-7931. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). 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.