The Gasket, cataloged under National Stock Number 5330-00-252-3928, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Ingersoll Rand Co. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-252-3928 |
| Primary Part Number | 145IR25 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Ingersoll Rand Co |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.031 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | HH-P-46 FED SPEC 1ST MATERIAL RESPONSE AND HH-P-46 FED SPEC 2ND MATERIAL RESPONSE OR HH-P-46 FED SPEC 3RD MATERIAL RESPONSE OR AMS 3231 ASSN STD 4TH MATERIAL RESPONSE AND AMS 3231 ASSN STD 5TH MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 6.875 INCHES NOMINAL IN |
| Aperture Diameter | 5.000 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 5.750 INCHES NOMINAL IN |
| Material | ASBESTOS CHRYSOTILE AND RUBBER NATURAL OR RUBBER SYNTHETIC OR RUBBER NATURAL AND ASBESTOS OVERALL |
| Hole Diameter | 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5330-00-252-3928 is a Gasket, manufactured by Ingersoll Rand Co, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-252-3928 has 2 manufacturer part numbers on file: 145IR25 (Ingersoll Rand Co), 1451R25 (Ingersoll Rand Co).
Key specifications for 145IR25: Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: HH-P-46 FED SPEC 1ST MATERIAL RESPONSE AND HH-P-46 FED SPEC 2ND MATERIAL RESPONSE OR HH-P-46 FED SPEC 3RD MATERIAL RESPONSE OR AMS 3231 ASSN STD 4TH MATERIAL RESPONSE AND AMS 3231 ASSN STD 5TH MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 10 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.