The Cup,locking, cataloged under National Stock Number 2835-01-074-3459, is classified within Federal Supply Class 2835 (Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components) of the Engines, Turbines, and Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2835-01-074-3459 |
| Primary Part Number | 12271239 |
| Item Name | Cup,locking |
| FSC / FSG | 2835 / 28 — Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | MATLSTL SAE 4140;CONTAINS TWO TABS EQUALLY SPACED 0.010 INS;HARDNESSTO BE HRC 23 MAX;MARK 19207-12271239 PER AS478-2D1. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12271239 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3-140-009-01 | 5/1 Secondary reference U.S. Government activity |
| 12286466 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 2835-01-074-3459 is a Cup,locking, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2835, Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components. Status: active.
NSN 2835-01-074-3459 has 1 manufacturer part number on file: 12271239 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12271239: General Characteristics Item Description: MATLSTL SAE 4140;CONTAINS TWO TABS EQUALLY SPACED 0.010 INS;HARDNESSTO BE HRC 23 MAX;MARK 19207-12271239 PER AS478-2D1.; End Item Identification: NSN 2350010871095;PCCN CMBT85XM1. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.