The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-257-0750, 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 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-257-0750 |
| Primary Part Number | 7373325-1 |
| Item Name | Seal,nonmetallic Special Shaped |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN |
| Inside Corner Radius | 0.156 INCHES NOMINAL0.156 INCHES NOMINAL IN |
| Cross-Sectional Width | 0.719 INCHES NOMINAL0.719 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | MIL-R-3065 RS515 A1BC1F2G MIL SPEC 1ST MATERIAL RESPONSE OR MIL-R-3065 RN515 ABC1F2G MIL SPEC 2ND MATERIAL RESPONSE OR MIL-R-3065 RN 515 ABC1F2G MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | CHISELCHISEL |
| Aperture Width | 18.000 INCHES NOMINAL18.000 INCHES NOMINAL IN |
| Aperture Length | 27.438 INCHES NOMINAL27.438 INCHES NOMINAL IN |
| Outside Corner Radius | 0.031 INCHES NOMINAL0.031 INCHES NOMINAL IN |
| Material | RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OR RUBBER BUTADIENE-STYRENE CLASS SBR OVERALL |
| Fabrication Method | SOLIDSOLID |
| Construction | SOLIDSOLID |
| 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 |
|---|---|
| 7373325-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5330-01-257-0750 is a Seal,nonmetallic Special Shaped, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-257-0750 has 1 manufacturer part number on file: 7373325-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7373325-1: Cross-Sectional Thickness: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN; Cross-Sectional Height: 0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN; Inside Corner Radius: 0.156 INCHES NOMINAL0.156 INCHES NOMINAL IN; Cross-Sectional Width: 0.719 INCHES NOMINAL0.719 INCHES NOMINAL IN. 13 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.