The Collar,shaft, cataloged under National Stock Number 3040-00-237-6221, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Tld Wollard Llc. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-00-237-6221 |
| Primary Part Number | NW15188 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Tld Wollard Llc |
| Status | ACTIVE |
| Largest Diameter Length | 0.344 INCHES NOMINAL IN |
| Style Designator | ROUND W/SINGLE CHAMFER |
| Outside Diameter | 2.625 INCHES NOMINAL IN |
| Chamfer Angle in Deg | 30.0 |
| Bore Diameter | 1.9970 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN |
| Material | STEEL |
| Thickness | 0.687 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 |
|---|---|
| NW15188 | Tld Wollard Llc (USA) |
| Reference | Meaning |
|---|---|
| 1874E187 | C/1 Advisory reference — outside the item-of-supply concept Meritor Heavy Vehicle Systems, Llc |
| 15188 | 5/9 Secondary reference Tld Wollard Llc |
| 1874E187 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3040-00-237-6221 is a Collar,shaft, manufactured by Tld Wollard Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-237-6221 has 1 manufacturer part number on file: NW15188 (Tld Wollard Llc).
3 possible matches (shared part number, not a government interchangeability claim): 5305-00-954-5641, 3020-01-057-4059, 5995-01-619-7096. Verify interchangeability with system specifications before substitution.
Key specifications for NW15188: Largest Diameter Length: 0.344 INCHES NOMINAL IN; Style Designator: ROUND W/SINGLE CHAMFER; Outside Diameter: 2.625 INCHES NOMINAL IN; Special Features: 0.375 IN. BORE CORNER RADIUS ON LARGEST OD END IN. 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.