The Fixture Set,aircraft Maintenance, cataloged under National Stock Number 4920-01-310-2870, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 3 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 | 4920-01-310-2870 |
| Primary Part Number | PWA57737 |
| Item Name | Fixture Set,aircraft Maintenance |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Supplementary Features | TORQUE WRENCH OF 650 TO 760 IN. LBS, 1/2 IN. SQ DRIVE, BREADER BAR AND PWA 50985 WRENCH REQUIRED; COMPANY ITEM NAME-EQUIPMENT SET; SUPERCEDES PWA 50987 AND PWA 55840 IN |
| Reference Data and Literature | SERD NO. 6147; T.O. 2J-F100-94 |
| Functional Description | USED FOR INSTALLATION/REMOVAL OF THE FORWARD AND AFT BALANCE BEARING RETAINING NUTS |
| 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 |
|---|---|
| PWA57737 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 4920-01-310-2870 is a Fixture Set,aircraft Maintenance, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-310-2870 has 1 manufacturer part number on file: PWA57737 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA57737: Supplementary Features: TORQUE WRENCH OF 650 TO 760 IN. LBS, 1/2 IN. SQ DRIVE, BREADER BAR AND PWA 50985 WRENCH REQUIRED; COMPANY ITEM NAME-EQUIPMENT SET; SUPERCEDES PWA 50987 AND PWA 55840 IN; Reference Data and Literature: SERD NO. 6147; T.O. 2J-F100-94; Special Features: C/O AN ADAPTER,IMMOBILIZER,CONTAINER; ADAPTER HAS A MAIN BODY AND 5 TEETH AISI 4140,SECURED WITH CAPSCREWS; THE IMMOBILZER HAS A MAIN BODY WITH AN O.D. SPLINE AISI 4140,NYLON GUIDE/PROTECTOR SECURED WITH CAPSCREWS; Functional Description: USED FOR INSTALLATION/REMOVAL OF THE FORWARD AND AFT BALANCE BEARING RETAINING NUTS. 3 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.