The Packing,preformed, cataloged under National Stock Number 5330-01-157-5679, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Hiab Usa Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-157-5679 |
| Primary Part Number | 993 3506 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Hiab Usa Inc |
| Status | ACTIVE |
| Center Hole Diameter | 109.1 MILLIMETERS MINIMUM AND 109.9 MILLIMETERS MAXIMUM MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5330-01-157-5679 is a Packing,preformed, manufactured by Hiab Usa Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-157-5679 has 2 manufacturer part numbers on file: 993 3506 (Atlas Polar Company Limited Div Atlas Polar Company Ltd), 993 3506 (Hiab Usa Inc).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-205-9787. Verify interchangeability with system specifications before substitution.
Key specifications for 993 3506: Center Hole Diameter: 109.1 MILLIMETERS MINIMUM AND 109.9 MILLIMETERS MAXIMUM MM; End Item Identification: HEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS); 2320-01-097-0260 HIAB CRANE (HEMTT). 1 specification is 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.