The Retainer,packing, cataloged under National Stock Number 5330-01-501-9995, 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 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-501-9995 |
| Primary Part Number | M8791/1-223 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.060 INCHES NOMINAL IN |
| Material Document and Classification | MIL-R-8791,-8791/1-223 MIL SPEC SINGLE MATERIAL RESPONSE CASE |
| Peripheral Diameter | 1.861 INCHES NOMINAL IN |
| Center Hole Diameter | 1.625 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE 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 |
|---|---|
| M1420-3-EL | Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (USA) |
| MPL2532 PC 7 | Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (USA) |
| M8791/1-223 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS8791 | 5/9 Secondary reference Sae International Dba Sae International |
| M8791/1-223 | 5/9 Secondary reference U.S. Government activity |
| AS8791 | 5/9 Secondary reference U.S. Government activity |
| SAE-AS8791/1 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5330-01-501-9995 is a Retainer,packing, manufactured by Sae International Dba Sae International, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-501-9995 has 3 manufacturer part numbers on file: M1420-3-EL (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc), MPL2532 PC 7 (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc), M8791/1-223 (Sae International Dba Sae International).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-505-6849. Verify interchangeability with system specifications before substitution.
Key specifications for M8791/1-223: Cross-Sectional Height: 0.060 INCHES NOMINAL IN; Material Document and Classification: MIL-R-8791,-8791/1-223 MIL SPEC SINGLE MATERIAL RESPONSE CASE; Peripheral Diameter: 1.861 INCHES NOMINAL IN; Special Features: SCAEF CUT 000 CUT AT ANGLE 22-19 DEGREES;WIDTH 0.118IN IN. 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.