The Shaft,straight, cataloged under National Stock Number 3040-01-560-3401, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Dorsey Metrology International, Inc. Dba Dorsey Metrology International. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-560-3401 |
| Primary Part Number | 8500-30 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Dorsey Metrology International, Inc. Dba Dorsey Metrology International |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| J-8500-30 | J & L Metrology, Inc. Dba J & L Metrology (USA) |
| 8500-30 PRIMARY | Dorsey Metrology International, Inc. Dba Dorsey Metrology International (USA) |
| Reference | Meaning |
|---|---|
| 8500-30-1 | 5/9 Secondary reference Hjm Precision, Inc |
| 12901226 | 7/2 Vendor item drawing reference Us Army Benet Laboratories Rdar-Wsb-O |
NSN 3040-01-560-3401 is a Shaft,straight, manufactured by Dorsey Metrology International, Inc. Dba Dorsey Metrology International, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-560-3401 has 2 manufacturer part numbers on file: J-8500-30 (J & L Metrology, Inc. Dba J & L Metrology), 8500-30 (Dorsey Metrology International, Inc. Dba Dorsey Metrology International).
Key specifications for 8500-30: Overall Length: 30.00 INCHES NOMINAL IN; Special Features: SHIPPING WEIGHT: 2.75LBS LBS; Part Name Assigned by Controlling Agency: EXTENSION HOUSING, 30". 0 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.
NSN 3040-01-560-3401 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.