The Shaft,straight, cataloged under National Stock Number 3040-00-086-9957, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 3040-00-086-9957 |
| Primary Part Number | 547A002725 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| First End Diameter | 0.5000 INCHES NOMINAL IN |
| First End Hole Depth | 0.120 INCHES NOMINAL IN |
| First End Style | THREADED CROSS DRILLED |
| Material Document and Classification | MIL-T-8506,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | IDENTICAL |
| Material | STEEL COMP 304 |
| First End Distance From Hole Center to End | 0.375 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 |
|---|---|
| 547A002725 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 002725 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| A547-283 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
NSN 3040-00-086-9957 is a Shaft,straight, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-086-9957 has 3 manufacturer part numbers on file: 547A002725 (Northrop Grumman Systems Corporation), 002725 (L3 Technologies, Inc. Div L3 Keo), A547-283 (L3 Technologies, Inc. Div L3 Keo).
2 possible matches (shared part number, not a government interchangeability claim): 5310-00-282-6145, 5305-01-165-3898. Verify interchangeability with system specifications before substitution.
Key specifications for 547A002725: First End Diameter: 0.5000 INCHES NOMINAL IN; First End Hole Depth: 0.120 INCHES NOMINAL IN; First End Style: THREADED CROSS DRILLED; Material Document and Classification: MIL-T-8506,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE. 7 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.