The Packing,preformed, cataloged under National Stock Number 5330-00-448-7281, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-448-7281 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| FSC Application Data | RECIPROCATING ENGINE,AIRCRAFT |
| Cross-Sectional Height | 0.090 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN |
| Hardness Rating | 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Cross-Sectional Shape Style | O-RING |
| Center Hole Diameter | 4.547 INCHES MINIMUM AND 4.577 INCHES MAXIMUM 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 |
| Reference | Meaning |
|---|---|
| 17729 | 3/9 Design control — primary reference Franklin Engine Co Inc |
| WS214 | 5/9 Secondary reference Western Supplies Co |
| 2810MULT007 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-00-448-7281 is a Packing,preformed, classified under FSC 5330, Packing and Gasket Materials. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5962-01-076-6620, 4410-01-230-8755, 4310-01-302-3003. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-00-448-7281: FSC Application Data: RECIPROCATING ENGINE,AIRCRAFT; Cross-Sectional Height: 0.090 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN; Hardness Rating: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL; Cross-Sectional Shape Style: O-RING. 6 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.