The Retainer,packing, cataloged under National Stock Number 5330-01-421-2024, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-421-2024 |
| Primary Part Number | M8791/1-129 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.052 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-R-8791/1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR |
| Peripheral Diameter | 1.736 INCHES NOMINAL IN |
| Center Hole Diameter | 1.563 INCHES MINIMUM AND 1.565 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Joint Type | SCARF-PERIPHERAL 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 |
|---|---|
| M8791/1-129 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| 5330PL2129822 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| M8791/1-129 | 5/9 Secondary reference U.S. Government activity |
| 431384 ITEM 12 | C/1 Advisory reference — outside the item-of-supply concept Donaldson Company, Inc. |
| M8791/1-129 | 3/9 Design control — primary reference U.S. Government activity |
| SAE-AS8791/1 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5330-01-421-2024 is a Retainer,packing, manufactured by Sae International Dba Sae International, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-421-2024 has 1 manufacturer part number on file: M8791/1-129 (Sae International Dba Sae International).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-553-5694. Verify interchangeability with system specifications before substitution.
Key specifications for M8791/1-129: Cross-Sectional Height: 0.052 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN; Material Document and Classification: MIL-R-8791/1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Peripheral Diameter: 1.736 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.