The Packing,preformed, cataloged under National Stock Number 5330-01-168-4271, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-168-4271 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Temp Rating | 275.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZY |
| Elongation Percentage | 160 MAXIMUM |
| Peripheral Diameter | 1.004 INCHES NOMINAL IN |
| Center Hole Diameter | 0.858 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 280640-0303 PIECE 69 | 5/1 Secondary reference U.S. Government activity |
| 163712 | 5/1 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
| MS28775-020 | 5/9 Secondary reference U.S. Government activity |
| MIL-P-25732 | 5/1 Secondary reference U.S. Government activity |
| 823976 | 5/1 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
| MS28775-020 | 5/9 Secondary reference U.S. Government activity |
| 4400173-0200 | 5/1 Secondary reference U.S. Government activity |
| 823976 PC 64 | 3/1 Design control — primary reference Eaton Aerospace, Llc Dba Jackson South |
| AV-216-527ITEM25 | 5/1 Secondary reference Automatic Switch Company Dba Asco |
| 5330PL0869678 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| MS28775-020 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 5330-01-168-4271 is a Packing,preformed, classified under FSC 5330, Packing and Gasket Materials. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5330-01-168-4272, 5330-01-168-4273, 5360-01-168-4431. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-01-168-4271: Temp Rating: 275.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Criticality Code Justification: ZZZY; Elongation Percentage: 160 MAXIMUM. 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.