The Seal,nonmetallic Round Section, cataloged under National Stock Number 5330-00-346-8931, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-346-8931 |
| Primary Part Number | 7526012 |
| Item Name | Seal,nonmetallic Round Section |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Material Document and Classification | ASTM D2000 4AA615ABCF ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | CIRCULAR |
| Aperture Width | 1.422 INCHES NOMINAL IN |
| Aperture Length | 2.734 INCHES NOMINAL IN |
| Cross Section Outside Diameter | 0.141 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN |
| Material | RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER BUTADIENE-STYRENE CLASS SBR OR RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OR RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM OR RUBBER POLYISOPRENE SYNTHETIC CLASS IR OVERALL |
| Fabrication Method | SOLID |
| Construction | SOLID |
| 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 |
|---|---|
| 7526012 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 5939697 | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 5939697 | 5/9 Secondary reference Patrick Industries Patrick Metals Div |
| 5939697 | 5/9 Secondary reference General Motors Corp Fisher Guide Div |
NSN 5330-00-346-8931 is a Seal,nonmetallic Round Section, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-346-8931 has 2 manufacturer part numbers on file: 7526012 (U S Army Tank Automotive Command Amsta-Im-Mm), 5939697 (General Motors Corp).
Key specifications for 7526012: Material Document and Classification: ASTM D2000 4AA615ABCF ASSN STD ALL MATERIAL RESPONSES OVERALL; Overall Length: 3.046 INCHES NOMINAL IN; Cross-Sectional Shape Style: CIRCULAR; Aperture Width: 1.422 INCHES NOMINAL IN. 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.
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.