The Retainer,packing, cataloged under National Stock Number 5330-00-528-5304, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-528-5304 |
| Primary Part Number | 27127727 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Cross-Sectional Height | 0.050 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Material Document and Classification | PUREBON GR 56 HT FSCM 80234 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | ANGLE |
| Angle | 30.0 DEGREES NOMINAL |
| Peripheral Diameter | 0.665 INCHES NOMINAL IN |
| Center Hole Diameter | 0.500 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN |
| Material | CARBON AND GRAPHITE OVERALL |
| Joint Type | BUTT RETAINER |
| 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 |
|---|---|
| 27127727 | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 27127727 | 5/9 Secondary reference U.S. Government activity |
| 27127727 | 3/9 Design control — primary reference U.S. Government activity |
| 27127727 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-00-528-5304 is a Retainer,packing, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-528-5304 has 1 manufacturer part number on file: 27127727 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 27127727: Cross-Sectional Height: 0.050 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN; Material Document and Classification: PUREBON GR 56 HT FSCM 80234 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: ANGLE; Angle: 30.0 DEGREES NOMINAL. 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.