The Packing,preformed, cataloged under National Stock Number 5330-00-870-4530, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-870-4530 |
| Primary Part Number | 443330 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Cross-Sectional Height | 0.415 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SPECIAL |
| Peripheral Diameter | 0.925 INCHES NOMINAL IN |
| Center Hole Diameter | 0.622 INCHES NOMINAL 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 |
|---|---|
| 443330 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 443330WE | Wencor Group Llc (USA) |
| 443330 | Lsi Computer Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 443330 | 5/9 Secondary reference Micron Machine Corp |
| 453921 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 453921 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 443330 | 5/9 Secondary reference Tokyo Judogi Kogyo Co. |
| 443330 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 5330-00-870-4530 is a Packing,preformed, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-870-4530 has 3 manufacturer part numbers on file: 443330 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 443330WE (Wencor Group Llc), 443330 (Lsi Computer Systems Inc).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-356-0318, 6550-01-368-8173. Verify interchangeability with system specifications before substitution.
Key specifications for 443330: Cross-Sectional Height: 0.415 INCHES NOMINAL IN; Cross-Sectional Shape Style: SPECIAL; Peripheral Diameter: 0.925 INCHES NOMINAL IN; Center Hole Diameter: 0.622 INCHES NOMINAL IN. 5 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.