The Packing,preformed, cataloged under National Stock Number 5330-01-449-1978, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Am General Llc. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-449-1978 |
| Primary Part Number | RCSK16048-2 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Am General Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR |
| Peripheral Diameter | 3.239 INCHES MINIMUM AND 3.285 INCHES MAXIMUM IN |
| Center Hole Diameter | 2.969 INCHES MINIMUM AND 2.999 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 |
|---|---|
| RCSK16048-2 PRIMARY | Am General Llc (USA) |
| Q-4235-523MZ PRIMARY | Minnesota Rubber Co (USA) |
| 12448547 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5330-01-449-1978 is a Packing,preformed, manufactured by Am General Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-449-1978 has 3 manufacturer part numbers on file: RCSK16048-2 (Am General Llc), Q-4235-523MZ (Minnesota Rubber Co), 12448547 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for RCSK16048-2: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Peripheral Diameter: 3.239 INCHES MINIMUM AND 3.285 INCHES MAXIMUM IN; Center Hole Diameter: 2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN. 4 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.