The Bellows,protection, cataloged under National Stock Number 9390-01-050-0179, is classified within Federal Supply Class 9390 (Miscellaneous Fabricated Nonmetallic Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 9390-01-050-0179 |
| Primary Part Number | 12266627 |
| Item Name | Bellows,protection |
| FSC / FSG | 9390 / 93 — Miscellaneous Fabricated Nonmetallic Materials |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Temp Rating | -31.7 CELSIUS AND 60.0 CELSIUS DEGC |
| Small End Inside Diameter | 4.750 INCHES NOMINAL IN |
| Large End Inside Diameter | 5.500 INCHES NOMINAL IN |
| Neutral Length | 9.160 INCHES NOMINAL IN |
| Thickness at Both Ends | 0.200 INCHES NOMINAL IN |
| Thickness Between Ends | 0.080 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC AND RUBBER CHLOROPRENE CLASS CR AND STEEL CORROSION RESISTING |
| Durometer Hardness Rating | 60.0 NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| IT-4102 | Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc (USA) |
| 12266627 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 6558-102 | 5/9 Secondary reference Recon/optical, Inc. |
| 0433-0000-0116 | 5/9 Secondary reference Automation Industries Inc Flexible Tubing Div |
NSN 9390-01-050-0179 is a Bellows,protection, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 9390, Miscellaneous Fabricated Nonmetallic Materials. Status: active.
NSN 9390-01-050-0179 has 2 manufacturer part numbers on file: IT-4102 (Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc), 12266627 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5905-01-181-2770. Verify interchangeability with system specifications before substitution.
Key specifications for 12266627: Temp Rating: -31.7 CELSIUS AND 60.0 CELSIUS DEGC; Small End Inside Diameter: 4.750 INCHES NOMINAL IN; Large End Inside Diameter: 5.500 INCHES NOMINAL IN; Neutral Length: 9.160 INCHES NOMINAL IN. 8 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.
NSN 9390-01-050-0179 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.