The Retainer,packing, cataloged under National Stock Number 5330-01-274-5718, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Capy Machine Shop Inc. Dba Capy Machine Shop Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-274-5718 |
| Primary Part Number | A51B32501-11 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Capy Machine Shop Inc. Dba Capy Machine Shop Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.460 INCHES NOMINAL IN |
| Material Document and Classification | WW-T-700/3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Peripheral Diameter | 0.875 INCHES NOMINAL IN |
| Center Hole Diameter | 0.640 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 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 |
|---|---|
| A51B32501-11 | Capy Machine Shop Inc. Dba Capy Machine Shop Inc (USA) |
| Reference | Meaning |
|---|---|
| A51B32501-11 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| A51B32501-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51B32501-11 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
NSN 5330-01-274-5718 is a Retainer,packing, manufactured by Capy Machine Shop Inc. Dba Capy Machine Shop Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-274-5718 has 1 manufacturer part number on file: A51B32501-11 (Capy Machine Shop Inc. Dba Capy Machine Shop Inc).
Key specifications for A51B32501-11: Cross-Sectional Height: 0.460 INCHES NOMINAL IN; Material Document and Classification: WW-T-700/3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Peripheral Diameter: 0.875 INCHES NOMINAL IN; Special Features: CONTAINS A 0.063 DIA. HOLE THROUGH BOTH WALLS. 5 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.