PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8933179-1Key,socket Head Screw

Lockheed Martin Corporation Div Rms · NSN 5120-00-198-5392 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-198-5392 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-198-5392. Primary manufacturer part number: 8933179-1.
Features
  • Key,socket Head Screw — FSC 5120
  • Material: STEEL OVERALL
  • Features Provided: SHORT SERIES
  • Style Designator: L-HANDLE
  • Wrenching Surface Size: 0.156 INCHES NOMINAL BOTH ENDS IN
  • Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Key,socket Head Screw, cataloged under National Stock Number 5120-00-198-5392, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 32 commercial cross-references from 30 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-198-5392
Primary Part Number8933179-1
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms
StatusCANCELLED
MaterialSTEEL OVERALL
Features ProvidedSHORT SERIES
Style DesignatorL-HANDLE
Wrenching Surface Size0.156 INCHES NOMINAL BOTH ENDS IN
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Long Arm Length2.406 INCHES MINIMUM AND 2.594 INCHES MAXIMUM IN
Short Arm Length0.750 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5845-00-073-361441757 INTERCHANGEABLE
Belt Assembly
L3harris Technologies, Inc.
5950-00-087-665268009 INTERCHANGEABLE
Transformer,power
Magnetek Inc Lighting Products Group
1630-00-093-962857020 INTERCHANGEABLE
Sleeve
Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St)
2530-00-164-309674906555-3 INTERCHANGEABLE
Seat
Kalmar AC Inc
6150-00-223-259613809 INTERCHANGEABLE
End Bell,electrical Rotating Equ
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
7195-00-240-4455 INTERCHANGEABLE
Aquarium
5310-00-274-77311A9673 INTERCHANGEABLE
Nut,plain,castellated,hexagon
Napco International Llc Dba Napco International Inc
2805-00-360-717868009S INTERCHANGEABLE
Guide,engine Poppet Valve Tappet
Dresser, Llc
5330-00-400-3549 INTERCHANGEABLE
Seal,plain Encased
6685-00-601-9260 INTERCHANGEABLE
Thermocouple,meter
Cross-Reference Index
Part NumberManufacturer
8933179-1 Lockheed Martin Corporation Div Rms (USA)
57020 Apex Tool Group, Llc Dba Nicholson (USA)
8933179-1 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
BA27077-6 At and T Corp (USA)
41W2451 General Stores Supply Office (USA)
68009 Allen Mfg Co Sub of Chicago Pneumatic Tool Co (USA)
57020 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
AW5 Sna Germany Gmbh (DEU)
7122A21 Mcmaster-Carr Supply Co (USA)
13018N010 Mutron Corp (USA)
43-60194-06 General Dynamics Motion Control Llc (USA)
A05522-010 Moog Inc (USA)
7027901P5REV3 Mpd Components, Inc. (USA)
417-57 Cummins Power Generation Inc. (USA)
GGG-K-275 TY1CL1 General Services Administration Federal Supply Service (USA)
3PS12 Chicago Pneumatic Tool Co (USA)
A-A-2473 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
10545649-2 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
B18.3 The American Society of Mechanical Engineers (USA)
563A717P2 Bae Systems Controls Inc. (USA)
Related Parts
5845-00-073-3614INTERCHANGEABLE
BELT ASSEMBLY
41757
5950-00-087-6652INTERCHANGEABLE
TRANSFORMER,POWER
68009
1630-00-093-9628INTERCHANGEABLE
SLEEVE
57020
2530-00-164-3096INTERCHANGEABLE
SEAT
74906555-3
6150-00-223-2596INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
13809
7195-00-240-4455INTERCHANGEABLE
AQUARIUM
5310-00-274-7731INTERCHANGEABLE
NUT,PLAIN,CASTELLATED,HEXAGON
1A9673
2805-00-360-7178INTERCHANGEABLE
GUIDE,ENGINE POPPET VALVE TAPPET
68009S
5330-00-400-3549INTERCHANGEABLE
SEAL,PLAIN ENCASED
6685-00-601-9260INTERCHANGEABLE
THERMOCOUPLE,METER
5360-00-619-0488INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5950-00-826-9679INTERCHANGEABLE
TRANSFORMER,POWER
9975002

Frequently Asked Questions

What is NSN 5120-00-198-5392?

NSN 5120-00-198-5392 is a Key,socket Head Screw, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-198-5392?

NSN 5120-00-198-5392 has 32 cross-referenced part numbers: 8933179-1 (Lockheed Martin Corporation Div Rms), 57020 (Apex Tool Group, Llc Dba Nicholson), 8933179-1 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), BA27077-6 (At and T Corp), 41W2451 (General Stores Supply Office) and 27 more.

What NSN replaces 5120-00-198-5392?

There are 12 known substitutes for 5120-00-198-5392: 5845-00-073-3614, 5950-00-087-6652, 1630-00-093-9628 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8933179-1?

Key specifications for 8933179-1: Material: STEEL OVERALL; Features Provided: SHORT SERIES; Style Designator: L-HANDLE; Overall Length: 2.561 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-198-5392 still in active supply?

NSN 5120-00-198-5392 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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