The Shaft,straight, cataloged under National Stock Number 3040-00-170-4137, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Telemechanics Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-00-170-4137 |
| Primary Part Number | 334398 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| FSC Application Data | TELETYPE AND FACSIMILE EQUIPMENT |
| First End Diameter | 0.5000 INCHES NOMINAL IN |
| First End Style | PLAIN |
| End Similarity | IDENTICAL |
| Material | STEEL |
| 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 |
|---|---|
| 334398 | Lucent Technologies Inc Corporate Headquarters (USA) |
| 334398 PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 334398 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| 334398 | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 3040-00-170-4137 is a Shaft,straight, manufactured by Telemechanics Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-170-4137 has 2 manufacturer part numbers on file: 334398 (Lucent Technologies Inc Corporate Headquarters), 334398 (Telemechanics Inc).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-311-3687. Verify interchangeability with system specifications before substitution.
Key specifications for 334398: FSC Application Data: TELETYPE AND FACSIMILE EQUIPMENT; First End Diameter: 0.5000 INCHES NOMINAL IN; First End Style: PLAIN; Overall Length: 3.937 INCHES NOMINAL IN. 5 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.