The Adapter,hoisting, cataloged under National Stock Number 3940-00-142-6795, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-00-142-6795 |
| Primary Part Number | PWA664 |
| Item Name | Adapter,hoisting |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| FSC Application Data | R2000 ENGINE |
| Overall Diameter | 4.125 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-637, COMP 1137 FED SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | PHOSPHATE |
| Material | STEEL COMP 1137 |
| Attachment Method | THREADED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PWA664 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 3940-00-142-6795 is a Adapter,hoisting, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-00-142-6795 has 1 manufacturer part number on file: PWA664 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA664: Overall Height: 4.250 INCHES NOMINAL IN; FSC Application Data: R2000 ENGINE; Overall Diameter: 4.125 INCHES NOMINAL IN; Material Document and Classification: QQ-S-637, COMP 1137 FED SPEC SINGLE MATERIAL RESPONSE. 6 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.
NSN 3940-00-142-6795 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.