The Packing,preformed, cataloged under National Stock Number 5330-01-087-4855, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Waterous Company. Government technical data includes 7 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-087-4855 |
| Primary Part Number | 51949 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Waterous Company |
| Status | ACTIVE |
| Cross-Sectional Height | 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| Material Document and Classification | 1625GF.FSCM 71724 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR |
| Peripheral Diameter | 2.250 INCHES NOMINAL IN |
| Center Hole Diameter | 1.625 INCHES NOMINAL IN |
| Material | GRAPHITE AND COTTON OVERALL |
| Joint Type | BUTT PACKING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5330-01-087-4855 is a Packing,preformed, manufactured by Waterous Company, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-087-4855 has 2 manufacturer part numbers on file: 2WC375 (Oshkosh Defense Llc), 51949 (Waterous Company).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-296-0423. Verify interchangeability with system specifications before substitution.
Key specifications for 51949: Cross-Sectional Height: 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN; Material Document and Classification: 1625GF.FSCM 71724 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Peripheral Diameter: 2.250 INCHES NOMINAL IN. 7 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.