The Tube,inner, cataloged under National Stock Number 5985-01-658-5956, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-658-5956 |
| Primary Part Number | 12423048-002 |
| Item Name | Tube,inner |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| 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 |
|---|---|
| 12423048-002 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12423048 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5985-01-658-5956 is a Tube,inner, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-658-5956 has 1 manufacturer part number on file: 12423048-002 (U S Army Tank Automotive Command Amsta-Im-Mm).
4 possible matches (shared part number, not a government interchangeability claim): 5985-01-658-6017, 5340-01-658-6021, 2590-01-658-6987. Verify interchangeability with system specifications before substitution.
Key specifications for 12423048-002: Special Features: MATERIAL: ALUMINUM ALLOY, EXTRUDED, SQUARE TUBE; SHARP CORNERS; 0.100 INCHES THICK; LENGTH 1062.8 MINIMUM MILLIMETERS AND 1063.2 MAXIMUM MILLIMETERS; FOUR COAXIAL HOLES; WIDTH 63.5 MILLIMETERS MM; Part Name Assigned by Controlling Agency: MAST, WARNING LIGHT; End Item Identification: 2320-01-447-3892. 0 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.