The Packing,preformed, cataloged under National Stock Number 5330-01-070-3361, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-070-3361 |
| Primary Part Number | 12266910 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Outer Groove Depth | 0.250 INCHES NOMINAL IN |
| Lip Inside Diameter | 4.375 INCHES NOMINAL IN |
| Cross-Sectional Thickness | 0.062 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.687 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SPECIAL |
| Peripheral Diameter | 4.999 INCHES NOMINAL IN |
| Outer Groove Width | 0.250 INCHES NOMINAL IN |
| Recess Diameter | 0.312 INCHES NOMINAL IN |
| Inner Groove Width | 0.312 INCHES NOMINAL IN |
| Color | BLACK |
| Center Hole Diameter | 4.687 INCHES NOMINAL IN |
| Material | CARBON OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5330-01-070-3361 is a Packing,preformed, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-070-3361 has 2 manufacturer part numbers on file: 48110 (L3 Technologies, Inc. Div L3 Keo), 12266910 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 4710-01-126-9440, 5930-01-302-6880. Verify interchangeability with system specifications before substitution.
Key specifications for 12266910: Outer Groove Depth: 0.250 INCHES NOMINAL IN; Lip Inside Diameter: 4.375 INCHES NOMINAL IN; Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN; Cross-Sectional Height: 0.687 INCHES NOMINAL IN. 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.