The Retainer,packing, cataloged under National Stock Number 5330-00-528-2512, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Fwd Seagrave Holdings Lp. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-528-2512 |
| Primary Part Number | 17A371879 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Fwd Seagrave Holdings Lp |
| Status | ACTIVE |
| Cross-Sectional Height | 0.302 INCHES NOMINAL IN |
| Body Recess Diameter | 6.812 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | FLANGE |
| Peripheral Diameter | 7.500 INCHES NOMINAL IN |
| Surface Treatment | DICHROMATE ZINC OVERALL |
| Center Hole Diameter | 1.250 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 17A371879 PRIMARY | Fwd Seagrave Holdings Lp (USA) |
| Reference | Meaning |
|---|---|
| 371879 | 5/9 Secondary reference Ford Motor Company |
| 2156858 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 2156858 | 5/9 Secondary reference General Motors Corp |
| 371879 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
NSN 5330-00-528-2512 is a Retainer,packing, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-528-2512 has 1 manufacturer part number on file: 17A371879 (Fwd Seagrave Holdings Lp).
Key specifications for 17A371879: Cross-Sectional Height: 0.302 INCHES NOMINAL IN; Body Recess Diameter: 6.812 INCHES NOMINAL IN; Cross-Sectional Shape Style: FLANGE; Peripheral Diameter: 7.500 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.