The Retainer,packing, cataloged under National Stock Number 5330-00-912-7262, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Airtronics, Llc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-912-7262 |
| Primary Part Number | 322590-1 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Airtronics, Llc |
| Status | ACTIVE |
| Attachment Hole Diameter | 0.531 INCHES NOMINAL IN |
| Attachment Feature Quantity | 12 |
| FSC Application Data | ARRESTING GEAR,AIRCRAFT LANDING |
| Cross-Sectional Height | 1.500 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Cross-Sectional Shape Style | FLANGE |
| Flanged Body Outside Diameter | 5.124 INCHES MINIMUM AND 5.126 INCHES MAXIMUM IN |
| Peripheral Diameter | 7.250 INCHES NOMINAL IN |
| Center Hole Diameter | 4.249 INCHES MINIMUM AND 4.251 INCHES MAXIMUM IN |
| Attachment Method | ROUND HOLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 322590-1 | Airtronics, Llc (USA) |
| 322590-1 | Duhadaway Tool & Die Shop Inc (USA) |
| 322590-1 | Capy Machine Shop Inc. Dba Capy Machine Shop Inc (USA) |
| 322590-1 | Master Research & Manufacturing, Inc. Dba Master Research & Manufacturing Inc (USA) |
| 322590-1 | James Choe Dba Pioneer Machine and Tooling Co Div Pioneer Machine (USA) |
| Reference | Meaning |
|---|---|
| 322590-1 | 5/9 Secondary reference Arco Sales Co |
| 322590-1 | 5/9 Secondary reference Nassau Tool Works, Inc |
| 322590-1 | 5/9 Secondary reference Clover Industries Inc. |
| 322590-1 | 5/9 Secondary reference Computa-Base-Machining, Inc. |
| 322590-1 | 3/2 Design control — primary reference U.S. Government activity |
| 322590-1 | 5/9 Secondary reference Krobach Mfg. Corp. Dba Krobach Manufacturing Corp |
| 322590-1 | 5/9 Secondary reference Pre-Mach Inc |
NSN 5330-00-912-7262 is a Retainer,packing, manufactured by Airtronics, Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-912-7262 has 5 manufacturer part numbers on file: 322590-1 (Airtronics, Llc), 322590-1 (Duhadaway Tool & Die Shop Inc), 322590-1 (Capy Machine Shop Inc. Dba Capy Machine Shop Inc), 322590-1 (Master Research & Manufacturing, Inc. Dba Master Research & Manufacturing Inc), 322590-1 (James Choe Dba Pioneer Machine and Tooling Co Div Pioneer Machine).
1 possible match (shared part number, not a government interchangeability claim): 3615-01-644-8373. Verify interchangeability with system specifications before substitution.
Key specifications for 322590-1: Attachment Hole Diameter: 0.531 INCHES NOMINAL IN; Attachment Feature Quantity: 12; FSC Application Data: ARRESTING GEAR,AIRCRAFT LANDING; Cross-Sectional Height: 1.500 INCHES NOMINAL IN. 10 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.