The Seal,nonmetallic Round Section, cataloged under National Stock Number 5330-00-752-8251, 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 9 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 | 5330-00-752-8251 |
| Primary Part Number | 7528251 |
| 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 |
| Inside Corner Radius | 0.372 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Cross-Sectional Shape Style | CIRCULAR |
| Aperture Width | 2.745 INCHES NOMINAL IN |
| Aperture Length | 4.307 INCHES NOMINAL IN |
| Cross Section Outside Diameter | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Outside Corner Radius | 0.502 INCHES NOMINAL IN |
| 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 |
|---|---|
| 7528251 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5330-00-752-8251 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 5330-00-752-8251 has 1 manufacturer part number on file: 7528251 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5930-00-872-0893. Verify interchangeability with system specifications before substitution.
Key specifications for 7528251: Inside Corner Radius: 0.372 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR; Cross-Sectional Shape Style: CIRCULAR; Aperture Width: 2.745 INCHES NOMINAL IN. 9 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.