The Retainer,packing, cataloged under National Stock Number 5330-00-353-7400, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Prestolite Electric 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-353-7400 |
| Primary Part Number | MCS46A |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Prestolite Electric Inc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.156 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.205 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | CUP |
| Peripheral Diameter | 0.812 INCHES NOMINAL IN |
| Center Hole Diameter | 0.650 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 1273429 | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| 7374940 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| MCS46A PRIMARY | Prestolite Electric Inc (USA) |
| 119629 | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| MCS46A | 5/9 Secondary reference Prestolite Electric Inc |
NSN 5330-00-353-7400 is a Retainer,packing, manufactured by Prestolite Electric Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-353-7400 has 4 manufacturer part numbers on file: 1273429 (Chrysler Realty Company Llc Dba Daimler Chrysler), 7374940 (U S Army Tank Automotive Command Amsta-Im-Mm), MCS46A (Prestolite Electric Inc), 119629 (Am General Llc).
1 possible match (shared part number, not a government interchangeability claim): 5815-00-370-1317. Verify interchangeability with system specifications before substitution.
Key specifications for MCS46A: Cross-Sectional Thickness: 0.156 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN; Cross-Sectional Height: 0.205 INCHES NOMINAL IN; Cross-Sectional Shape Style: CUP; Peripheral Diameter: 0.812 INCHES NOMINAL 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.