The Packing,preformed, cataloged under National Stock Number 5330-00-862-3074, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-862-3074 |
| Primary Part Number | 8407492 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| FSC Application Data | RECOIL MECHANISM,HOWITZER,155MM MM |
| Cross-Sectional Height | 0.437 INCHES NOMINAL IN |
| Hardness Rating | 60.0 SHORE DUROMETER A NOMINAL OVERALL |
| Criticality Code Justification | ADVT AND ADVX |
| Material Document and Classification | MIL-R-1149,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Rim Surface Width | 0.279 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | SPECIAL |
| Flanged Body Outside Diameter | 2.245 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN |
| Peripheral Diameter | 2.592 INCHES MINIMUM AND 2.595 INCHES MAXIMUM IN |
| Color | BLACK |
| Center Hole Diameter | 1.500 INCHES NOMINAL IN |
| Material | RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 8407492 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5330-00-862-3074 is a Packing,preformed, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-862-3074 has 1 manufacturer part number on file: 8407492 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 8407492: FSC Application Data: RECOIL MECHANISM,HOWITZER,155MM MM; Cross-Sectional Height: 0.437 INCHES NOMINAL IN; Hardness Rating: 60.0 SHORE DUROMETER A NOMINAL OVERALL; Criticality Code Justification: ADVT AND ADVX. 12 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.