PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PWA10799Jackscrew

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 4920-00-717-1451 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-717-1451 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-717-1451. Primary manufacturer part number: PWA10799.
Features
  • Jackscrew — FSC 4920
  • Functional Description: USED IN SUPPORT OF THE J57 ACFT ENGINE
  • General Characteristics Item Description: STEEL,C/O HUB 1,PIN 4,NUT 1 AND SCREW 1
  • 2 verified cross-references
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Jackscrew, cataloged under National Stock Number 4920-00-717-1451, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4920-00-717-1451
Primary Part NumberPWA10799
Item NameJackscrew
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Functional DescriptionUSED IN SUPPORT OF THE J57 ACFT ENGINE
General Characteristics Item DescriptionSTEEL,C/O HUB 1,PIN 4,NUT 1 AND SCREW 1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
4820-00-168-202658381 INTERCHANGEABLE
Modification Kit,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
3416-00-242-8824 INTERCHANGEABLE
Lathe,engine
5905-00-257-7473 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
3540-00-278-12503540-00-278-1250 INTERCHANGEABLE
Stretcher,strapping,hand
General Services Administration Federal Supply Service
5935-00-500-9836GKC8-21-3-4BAN INTERCHANGEABLE
Connector,plug,electrical
Itt Cannon Llc
5905-00-501-9846 INTERCHANGEABLE
Resistor,variable,wire Wound,non
3416-00-517-1173 INTERCHANGEABLE
Lathe,engine
5935-00-824-76851250-0144 INTERCHANGEABLE
Shell,electrical Connector
Keysight Technologies Inc
9150-00-984-9432 INTERCHANGEABLE
Grease,laboratory Apparatus Stop
4730-01-231-7112322134 ITEM 13 INTERCHANGEABLE
Strainer Element,sediment
Lake Shore Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
PWA10799 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
N Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
4820-00-168-2026INTERCHANGEABLE
MODIFICATION KIT,VALVE
58381
3416-00-242-8824INTERCHANGEABLE
LATHE,ENGINE
5905-00-257-7473INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
3540-00-278-1250INTERCHANGEABLE
STRETCHER,STRAPPING,HAND
3540-00-278-1250
5935-00-500-9836INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
GKC8-21-3-4BAN
5905-00-501-9846INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
3416-00-517-1173INTERCHANGEABLE
LATHE,ENGINE
5935-00-824-7685INTERCHANGEABLE
SHELL,ELECTRICAL CONNECTOR
1250-0144
9150-00-984-9432INTERCHANGEABLE
GREASE,LABORATORY APPARATUS STOP
4730-01-231-7112INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
322134 ITEM 13

Frequently Asked Questions

What is NSN 4920-00-717-1451?

NSN 4920-00-717-1451 is a Jackscrew, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4920-00-717-1451?

NSN 4920-00-717-1451 has 2 cross-referenced part numbers: PWA10799 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), N (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 4920-00-717-1451?

There are 10 known substitutes for 4920-00-717-1451: 4820-00-168-2026, 3416-00-242-8824, 5905-00-257-7473 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PWA10799?

Key specifications for PWA10799: End Item Identification: J-57 AIRCRAFT ENGINE; Functional Description: USED IN SUPPORT OF THE J57 ACFT ENGINE; General Characteristics Item Description: STEEL,C/O HUB 1,PIN 4,NUT 1 AND SCREW 1; Overall Width: 6.000 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4920-00-717-1451 still in active supply?

NSN 4920-00-717-1451 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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