The Seal,plain Encased, cataloged under National Stock Number 5330-00-933-8430, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 11 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 | 5330-00-933-8430 |
| Primary Part Number | 11616580-3 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Temp Rating | -50.0 FAHRENHEIT DEGF |
| Seal Width | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,CL 1 FED SPEC ALL TREATMENT RESPONSES CASE |
| Sealing Element Style | ANGULAR |
| Housing Bore Diameter | 2.999 INCHES MINIMUM AND 3.003 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE CASE |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 1.938 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE CASE |
| Material | RUBBER NATURAL OR RUBBER SYNTHETIC SEALING ELEMENT |
| Material | STEEL COMP 1020 CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11616580-3 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5330-00-933-8430 is a Seal,plain Encased, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-933-8430 has 1 manufacturer part number on file: 11616580-3 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 6110-01-505-9509. Verify interchangeability with system specifications before substitution.
Key specifications for 11616580-3: Temp Rating: -50.0 FAHRENHEIT DEGF; Seal Width: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,CL 1 FED SPEC ALL TREATMENT RESPONSES CASE; Sealing Element Style: ANGULAR. 11 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.
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.