The Retainer,packing, cataloged under National Stock Number 5330-00-480-6178, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Trelleborg Sealing Solutions Us, Inc.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-480-6178 |
| Primary Part Number | S12604-327N |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.309 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN |
| Material Document and Classification | 16947,22105,FSCM 07060 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Peripheral Diameter | 1.950 INCHES NOMINAL IN |
| Center Hole Diameter | 1.740 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| Material | PLASTIC 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 |
|---|---|
| A-21404 | Macrotech Polyseal Inc (USA) |
| TF404-327N | Hupp & Associates Inc Dba Hupp Aerospace/defense (USA) |
| TF404-327N | Tim Tusing Enterprises, Inc. (USA) |
| S12604-327N PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| TF404-327N | 5/9 Secondary reference Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo |
| A-21404 | 5/9 Secondary reference Microdot Inc Polyseal Div |
NSN 5330-00-480-6178 is a Retainer,packing, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-480-6178 has 4 manufacturer part numbers on file: A-21404 (Macrotech Polyseal Inc), TF404-327N (Hupp & Associates Inc Dba Hupp Aerospace/defense), TF404-327N (Tim Tusing Enterprises, Inc.), S12604-327N (Trelleborg Sealing Solutions Us, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4810-00-716-4339. Verify interchangeability with system specifications before substitution.
Key specifications for S12604-327N: Cross-Sectional Height: 0.309 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN; Material Document and Classification: 16947,22105,FSCM 07060 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Peripheral Diameter: 1.950 INCHES NOMINAL IN; Center Hole Diameter: 1.740 INCHES MINIMUM AND 1.750 INCHES MAXIMUM 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.