The Packing with Retainer, cataloged under National Stock Number 5330-01-296-8720, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Multi-Flex Seals Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-296-8720 |
| Primary Part Number | 75601 |
| Item Name | Packing with Retainer |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Multi-Flex Seals Inc |
| Status | ACTIVE |
| Packing Inside Diameter | 0.138 INCHES NOMINAL IN |
| Outside Diameter | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN |
| Retainer Thickness | 0.059 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE RETAINER |
| Material | STEEL CORROSION RESISTING RETAINER |
| Material | RUBBER SILICONE CLASS Q PACKING |
| Construction | TWO-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 |
|---|---|
| 75601 PRIMARY | Multi-Flex Seals Inc (USA) |
| Reference | Meaning |
|---|---|
| 7844058-1 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rms |
| 7844058P001 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5330-01-296-8720 is a Packing with Retainer, manufactured by Multi-Flex Seals Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-296-8720 has 1 manufacturer part number on file: 75601 (Multi-Flex Seals Inc).
4 possible matches (shared part number, not a government interchangeability claim): 9150-01-358-5284, 4520-01-478-4554, 4730-01-479-2846. Verify interchangeability with system specifications before substitution.
Key specifications for 75601: Packing Inside Diameter: 0.138 INCHES NOMINAL IN; Outside Diameter: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN; Retainer Thickness: 0.059 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN; Surface Treatment: PASSIVATE RETAINER. 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.