The Shaft,straight, cataloged under National Stock Number 3040-01-281-1437, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Shaft,straight |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division (CAGE 4P412) |
| Parameter | Value |
|---|---|
| NSN | 3040-01-281-1437 |
| Primary Part Number | MHLK-255 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| MHLK-255 PRIMARY | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division (USA) |
| Reference | Meaning |
|---|---|
| HLK-255 | 5/9 Secondary reference Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division |
| HLK-255 | C/1 Advisory reference — outside the item-of-supply concept Ingersoll Rand Co |
| HLK-244 | 5/9 Secondary reference Ingersoll-Rand Co Power Tool Div |
| HLK-244 | 5/9 Secondary reference Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division |
| HLK-255 | 3/9 Design control — primary reference Ingersoll-Rand Co Professional Tools Group |
NSN 3040-01-281-1437 is a Shaft,straight, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-281-1437 has 1 manufacturer part number on file: MHLK-255 (Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-307-3516. Verify interchangeability with system specifications before substitution.
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.