The Packing with Retainer, cataloged under National Stock Number 5330-01-039-3874, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Imi Cash Valve Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-039-3874 |
| Primary Part Number | 785-7658 |
| Item Name | Packing with Retainer |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Imi Cash Valve Inc |
| Status | ACTIVE |
| Outside Diameter | 1.177 INCHES MINIMUM AND 1.197 INCHES MAXIMUM IN |
| Retainer Thickness | 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM RETAINER |
| Material | RUBBER SYNTHETIC PACKING |
| Material | STEEL RETAINER |
| Construction | ONE-PIECE |
| 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 |
|---|---|
| 785-7658 | Imi Cash Valve Inc (USA) |
| Reference | Meaning |
|---|---|
| 750-0002-5/8 | 3/2 Design control — primary reference U.S. Government activity |
| 7500-5/8 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 7500-5/8 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-039-3874 is a Packing with Retainer, manufactured by Imi Cash Valve Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-039-3874 has 1 manufacturer part number on file: 785-7658 (Imi Cash Valve Inc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-114-7804. Verify interchangeability with system specifications before substitution.
Key specifications for 785-7658: Outside Diameter: 1.177 INCHES MINIMUM AND 1.197 INCHES MAXIMUM IN; Retainer Thickness: 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Surface Treatment: CADMIUM RETAINER; Material: RUBBER SYNTHETIC PACKING. 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.