The Packing,preformed, cataloged under National Stock Number 5330-00-433-9637, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-433-9637 |
| Primary Part Number | 2070-21PC44 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Cross-Sectional Height | 0.311 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| Hardness Rating | 87.0 SHORE DUROMETER A MINIMUM AND 97.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Material Document and Classification | 9250 FSCM 05262 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | U |
| Peripheral Diameter | 1.750 INCHES NOMINAL IN |
| Center Hole Diameter | 1.306 INCHES MINIMUM AND 1.341 INCHES MAXIMUM IN |
| Material | RUBBER 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 |
|---|---|
| 2070-21PC44 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 001-106 | 5/9 Secondary reference Freudenberg-Nok General Partnership |
| 001106000A | 3/9 Design control — primary reference Freudenberg-Nok General Partnership |
NSN 5330-00-433-9637 is a Packing,preformed, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-433-9637 has 1 manufacturer part number on file: 2070-21PC44 (Huntington Ingalls Inc Div Newport News Shipbuilding).
2 possible matches (shared part number, not a government interchangeability claim): 5331-01-163-5606, 5315-01-426-0017. Verify interchangeability with system specifications before substitution.
Key specifications for 2070-21PC44: Cross-Sectional Height: 0.311 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN; Hardness Rating: 87.0 SHORE DUROMETER A MINIMUM AND 97.0 SHORE DUROMETER A MAXIMUM OVERALL; Material Document and Classification: 9250 FSCM 05262 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: U. 7 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.