The Packing,preformed, cataloged under National Stock Number 5330-01-004-9556, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is John Crane, Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-004-9556 |
| Primary Part Number | 27503500026P354 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | John Crane, Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.375 INCHES NOMINAL IN |
| Material Document and Classification | B-153,TYPE 101M,CAGEC 71724 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR |
| Peripheral Diameter | 3.500 INCHES NOMINAL IN |
| Center Hole Diameter | 2.750 INCHES NOMINAL IN |
| Material | LEAD ALLOY OR TIN ALLOY OVERALL |
| Joint Type | BUTT ENDS |
| 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 |
|---|---|
| 27503500026P354 PRIMARY | John Crane, Inc (USA) |
| 1C3097PC12 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 27503500026PC354 PRIMARY | John Crane, Inc (USA) |
| IF-4056PC34 | Toolex, Inc Dba Toolex Inc (USA) |
| 1F-4056PC34 | Toolex, Inc Dba Toolex Inc (USA) |
| Reference | Meaning |
|---|---|
| 1F7020 PIECE 12 | 5/1 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 101M | 5/9 Secondary reference John Crane, Inc |
| 100M | 5/9 Secondary reference Wartsila Lips Inc |
| 100M | 5/9 Secondary reference John Crane, Inc |
| 1C3097PC12 | 5/1 Secondary reference Toolex, Inc Dba Toolex Inc |
| 1F7020 PIECE 12 | 5/1 Secondary reference Toolex, Inc Dba Toolex Inc |
NSN 5330-01-004-9556 is a Packing,preformed, manufactured by John Crane, Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-004-9556 has 5 manufacturer part numbers on file: 27503500026P354 (John Crane, Inc), 1C3097PC12 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 27503500026PC354 (John Crane, Inc), IF-4056PC34 (Toolex, Inc Dba Toolex Inc), 1F-4056PC34 (Toolex, Inc Dba Toolex Inc).
3 possible matches (shared part number, not a government interchangeability claim): 3405-01-208-1746, 6515-01-329-4843, 5895-01-390-1606. Verify interchangeability with system specifications before substitution.
Key specifications for 27503500026P354: Cross-Sectional Height: 0.375 INCHES NOMINAL IN; Material Document and Classification: B-153,TYPE 101M,CAGEC 71724 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Peripheral Diameter: 3.500 INCHES NOMINAL IN. 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.