The Collar,shaft, cataloged under National Stock Number 3040-01-396-5073, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-396-5073 |
| Primary Part Number | 2HS508 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Style Designator | ROUND STEPPED |
| Outside Diameter | 2.0000 INCHES NOMINAL IN |
| Small End Diameter | 1.5600 INCHES NOMINAL IN |
| Bore Diameter | 1.6200 INCHES NOMINAL IN |
| Material | STEEL |
| Thickness | 1.0600 INCHES NOMINAL IN |
| 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 |
|---|---|
| 2HS508 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 2HS508 | 5/9 Secondary reference Oshkosh Corp |
| 2000014 | 5/9 Secondary reference Steeltech Mfg Inc |
NSN 3040-01-396-5073 is a Collar,shaft, manufactured by Oshkosh Defense Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-396-5073 has 1 manufacturer part number on file: 2HS508 (Oshkosh Defense Llc).
2 possible matches (shared part number, not a government interchangeability claim): 2940-01-572-8326, 5331-01-629-7987. Verify interchangeability with system specifications before substitution.
Key specifications for 2HS508: Style Designator: ROUND STEPPED; Outside Diameter: 2.0000 INCHES NOMINAL IN; Small End Diameter: 1.5600 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: COLLAR-TWIST LOCK. 6 specifications are 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.