The Collar,shaft, cataloged under National Stock Number 3040-00-275-7018, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Barber-Greene Co. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-275-7018 |
| Primary Part Number | S3951 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Barber-Greene Co |
| Status | ACTIVE |
| Thickness | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Style Designator | PLAIN ROUND |
| Furnished Items and Quantity | 1 SETSCREW |
| Securing Hole Type and Location | THREADED SINGLE HOLE |
| Nominal Thread Size | 0.250 INCHES SINGLE HOLE IN |
| Material | STEEL |
| Securing Hole Quantity | 1 |
| Bore Diameter | 1.0020 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN |
| Screw Thread Series Designator and Location | SINGLE HOLE UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 1.938 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3040-00-275-7018 is a Collar,shaft, manufactured by Barber-Greene Co, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-00-275-7018 has 2 cross-referenced part numbers: S3951 (Barber-Greene Co), S3951 (Minnpar, Llc Dba Minnpar).
There is 1 known substitute for 3040-00-275-7018: 2530-00-679-6704. Verify interchangeability with system specifications before substitution.
Key specifications for S3951: Thickness: 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN; Style Designator: PLAIN ROUND; Furnished Items and Quantity: 1 SETSCREW; Securing Hole Type and Location: THREADED SINGLE HOLE. 10 total characteristics are documented in the Federal Logistics Information System.