The Packing,preformed, cataloged under National Stock Number 5330-00-641-7055, 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 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-641-7055 |
| Primary Part Number | 274156 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| FSC Application Data | ENGINE,AIRCRAFT,JET |
| Cross-Sectional Height | 0.105 INCHES NOMINAL IN |
| Cut Type | SECTIONAL OVERALL |
| Color | BROWN |
| Center Hole Diameter | 0.610 INCHES NOMINAL IN |
| Material | ASBESTOS OVERALL |
| Joint Type | OVERLAY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 274156 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 274156 | 5/9 Secondary reference Parker Hannifin Corp Seal Group Gasket Div |
| 274156 | 5/2 Secondary reference U.S. Government activity |
| 274156 | 5/9 Secondary reference Saint-Gobain Performance Plastics Corporation Div Engineered Polymers |
NSN 5330-00-641-7055 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 5330-00-641-7055 has 1 manufacturer part number on file: 274156 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 1560-00-765-1101. Verify interchangeability with system specifications before substitution.
Key specifications for 274156: FSC Application Data: ENGINE,AIRCRAFT,JET; Cross-Sectional Height: 0.105 INCHES NOMINAL IN; Cut Type: SECTIONAL OVERALL; Color: BROWN. 7 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.