The Retainer,packing, cataloged under National Stock Number 5330-00-958-8535, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Eagle Crusher Co Inc Dba Stedman Machine Co. 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. 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 | 5330-00-958-8535 |
| Primary Part Number | 1012A |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Eagle Crusher Co Inc Dba Stedman Machine Co |
| Status | ACTIVE |
| Lip Inside Diameter | 6.303 INCHES MINIMUM AND 6.308 INCHES MAXIMUM IN |
| Cross-Sectional Thickness | 2.0626 INCHES NOMINAL IN |
| Cross Section Inside Diameter | 9.250 INCHES NOMINAL IN |
| Outer Groove Width | 1.062 INCHES NOMINAL IN |
| Recess Diameter | 0.875 INCHES NOMINAL IN |
| Cross Section Outside Diameter | 11.750 INCHES NOMINAL IN |
| Material | IRON 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 |
|---|---|
| 1012A PRIMARY | Eagle Crusher Co Inc Dba Stedman Machine Co (USA) |
NSN 5330-00-958-8535 is a Retainer,packing, manufactured by Eagle Crusher Co Inc Dba Stedman Machine Co, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-958-8535 has 1 manufacturer part number on file: 1012A (Eagle Crusher Co Inc Dba Stedman Machine Co).
1 possible match (shared part number, not a government interchangeability claim): 7025-01-121-5976. Verify interchangeability with system specifications before substitution.
Key specifications for 1012A: Lip Inside Diameter: 6.303 INCHES MINIMUM AND 6.308 INCHES MAXIMUM IN; Cross-Sectional Thickness: 2.0626 INCHES NOMINAL IN; Cross Section Inside Diameter: 9.250 INCHES NOMINAL IN; Outer Groove Width: 1.062 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.