The Collar,shaft, cataloged under National Stock Number 3040-00-800-9487, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 10 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. 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 | 3040-00-800-9487 |
| Primary Part Number | 330830 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Securing Hole Type and Location | THREADED SINGLE HOLE |
| Style Designator | PLAIN ROUND |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 303 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30303 ASSN STD SINGLE MATERIAL RESPONSE |
| Screw Thread Series Designator and Location | SINGLE HOLE UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 0.437 INCHES NOMINAL IN |
| Nominal Thread Size | 0.086 INCHES SINGLE HOLE IN |
| Securing Hole Quantity | 1 |
| Bore Diameter | 0.2500 INCHES NOMINAL IN |
| Material | STEEL COMP 303 |
| Thickness | 0.281 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 |
|---|---|
| 330830 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 3040-00-800-9487 is a Collar,shaft, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-800-9487 has 1 manufacturer part number on file: 330830 (Lockheed Martin Corporation Div Rms - Mitchel Field).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-269-2102. Verify interchangeability with system specifications before substitution.
Key specifications for 330830: Securing Hole Type and Location: THREADED SINGLE HOLE; Style Designator: PLAIN ROUND; Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 303 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30303 ASSN STD SINGLE MATERIAL RESPONSE; Screw Thread Series Designator and Location: SINGLE HOLE UNIFIED NATIONAL COARSE (UNC). 10 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.