The Retainer,packing, cataloged under National Stock Number 5330-01-335-8019, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 9 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-335-8019 |
| Primary Part Number | MIL-R-8791/1-020CP |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Cross-Sectional Height | 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZW |
| Material Document and Classification | MIL-R-8791/1-020 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR |
| Departure From Cited Document | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Peripheral Diameter | 0.997 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.881 INCHES NOMINAL IN |
| Material | PLASTIC TETRAFLUOROETHYLENE 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 | S |
| Part Number | Manufacturer |
|---|---|
| MIL-R-8791/1-020CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS8791/1 | 3/1 Design control — primary reference Sae International Dba Sae International |
| M8791/1-020 | 5/9 Secondary reference Sae International Dba Sae International |
| M8791/1-020CP | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| M8791/1-020 | 5/9 Secondary reference U.S. Government activity |
| M8791/1-020CP | 3/1 Design control — primary reference Sae International Dba Sae International |
| MIL-R-8791/1-020 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-335-8019 is a Retainer,packing, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-335-8019 has 1 manufacturer part number on file: MIL-R-8791/1-020CP (Naval Inventory Control Point Mechanicsburg).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-352-2648, 5330-01-699-1857. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-R-8791/1-020CP: Cross-Sectional Height: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN; Criticality Code Justification: ZZZW; Material Document and Classification: MIL-R-8791/1-020 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SQUARE/RECTANGULAR. 9 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.