The Retainer,packing, cataloged under National Stock Number 5330-00-808-2339, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Apollo Aerospace Components Ltd. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-808-2339 |
| Primary Part Number | MS28774-137 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Apollo Aerospace Components Ltd |
| Status | ACTIVE |
| Cross-Sectional Height | 0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN |
| Material Document and Classification | SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR |
| Cut Type | DIAGONAL OVERALL |
| Peripheral Diameter | 2.253 INCHES MINIMUM AND 2.259 INCHES MAXIMUM IN |
| Center Hole Diameter | 2.083 INCHES MINIMUM AND 2.085 INCHES MAXIMUM IN |
| Material | PLASTIC TETRAFLUOROETHYLENE OVERALL |
| Joint Type | SCARF-PERIPHERAL RETAINER |
| 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 |
|---|---|
| MS28774-137 | Apollo Aerospace Components Ltd (GBR) |
| Reference | Meaning |
|---|---|
| SAE-AS8791 | 5/1 Secondary reference Sae International Dba Sae International |
| MS28774 | 4/1 Identification reference U.S. Government activity |
| MS28774-137 | 2/2 Government specification standardization U.S. Government activity |
| MS28774-137 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5330-00-808-2339 is a Retainer,packing, manufactured by Apollo Aerospace Components Ltd, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-808-2339 has 1 manufacturer part number on file: MS28774-137 (Apollo Aerospace Components Ltd).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-585-1458. Verify interchangeability with system specifications before substitution.
Key specifications for MS28774-137: Cross-Sectional Height: 0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN; Material Document and Classification: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Cut Type: DIAGONAL 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.