The Retainer,packing, cataloged under National Stock Number 5330-01-204-4744, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is M.t. Davidson Company. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-204-4744 |
| Primary Part Number | AONI-2554 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | M.t. Davidson Company |
| Status | ACTIVE |
| Attachment Hole Diameter | 0.312 INCHES NOMINAL IN |
| Attachment Feature Quantity | 2 |
| Cross-Sectional Height | 1.125 INCHES NOMINAL IN |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Attachment Feature Circle Diameter | 2.875 INCHES NOMINAL SINGLE CIRCLE IN |
| Center Hole Diameter | 1.674 INCHES MINIMUM AND 1.678 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 903 OVERALL |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| AONI-2554 PRIMARY | M.t. Davidson Company (USA) |
| Reference | Meaning |
|---|---|
| GCP381 | 5/9 Secondary reference M.t. Davidson Company |
| GCP320 PIECE 5 | 5/9 Secondary reference M.t. Davidson Company |
| A0NI2554 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5330-01-204-4744 is a Retainer,packing, manufactured by M.t. Davidson Company, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-204-4744 has 1 manufacturer part number on file: AONI-2554 (M.t. Davidson Company).
Key specifications for AONI-2554: Attachment Hole Diameter: 0.312 INCHES NOMINAL IN; Attachment Feature Quantity: 2; Cross-Sectional Height: 1.125 INCHES NOMINAL IN; Material Document and Classification: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 8 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.