The Packing,preformed, cataloged under National Stock Number 5330-00-181-0020, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Minnesota Rubber Co. 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. 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 | 5330-00-181-0020 |
| Primary Part Number | Q4257-414C |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Minnesota Rubber Co |
| Status | ACTIVE |
| Temp Rating | -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Hardness Rating | 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Material Document and Classification | 414C FSCM 07322 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SPECIAL |
| Peripheral Diameter | 6.096 INCHES MINIMUM AND 6.168 INCHES MAXIMUM IN |
| Center Hole Diameter | 5.826 INCHES MINIMUM AND 5.882 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC OVERALL |
| 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 |
|---|---|
| Q4257-414C PRIMARY | Minnesota Rubber Co (USA) |
| 65C35428-3 | Air Armament Center/ En (USA) |
NSN 5330-00-181-0020 is a Packing,preformed, manufactured by Minnesota Rubber Co, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-181-0020 has 2 manufacturer part numbers on file: Q4257-414C (Minnesota Rubber Co), 65C35428-3 (Air Armament Center/ En).
1 possible match (shared part number, not a government interchangeability claim): 5330-00-227-7144. Verify interchangeability with system specifications before substitution.
Key specifications for Q4257-414C: Temp Rating: -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Hardness Rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL; Material Document and Classification: 414C FSCM 07322 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 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.