The Collar,shaft, cataloged under National Stock Number 3040-01-311-8403, 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. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-311-8403 |
| Primary Part Number | 7830868P001 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Securing Hole Type and Location | THREADED ALL HOLES |
| Style Designator | PLAIN RECTANGULAR |
| Material Document and Classification | QQ-B-626, ALLOY 360 FED SPEC SINGLE MATERIAL RESPONSE |
| Screw Thread Series Designator and Location | ALL HOLES UNIFIED NATIONAL COARSE (UNC) |
| Distance From Bore Centerline to End | 0.240 INCHES NOMINAL IN |
| Nominal Thread Size | 0.138 INCHES ALL HOLES IN |
| Angle Between Centerlines of Securing Holes in Deg | 90.0 |
| Securing Hole Quantity | 2 |
| Bore Diameter | 0.2470 INCHES NOMINAL IN |
| Material | COPPER ALLOY 360 |
| Thickness | 0.340 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 |
|---|---|
| 7830868P001 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 7830868 | D/9 Drawing number reference only Lockheed Martin Corporation Div Rms |
NSN 3040-01-311-8403 is a Collar,shaft, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-311-8403 has 1 manufacturer part number on file: 7830868P001 (Lockheed Martin Corporation Div Rms).
Key specifications for 7830868P001: Securing Hole Type and Location: THREADED ALL HOLES; Style Designator: PLAIN RECTANGULAR; Material Document and Classification: QQ-B-626, ALLOY 360 FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 0.640 INCHES NOMINAL IN. 11 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.