PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21329-632-9Screw,machine

Naval Air Warfare Center Aircraft Division Joint Base Jbmdl · NSN 5305-00-149-9878 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-149-9878 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-149-9878. Primary manufacturer part number: 21329-632-9.
Features
  • Screw,machine — FSC 5305
  • Thread Length: 0.375 INCHES MINIMUM IN
  • Internal Drive Style: SLOT
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Style: BINDING
  • Thread Quantity Per Inch: 32
  • Head Height: 0.071 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
  • Screw Surface Treatment: NICKEL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-149-9878, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Air Warfare Center Aircraft Division Joint Base Jbmdl. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-149-9878
Primary Part Number21329-632-9
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Air Warfare Center Aircraft Division Joint Base Jbmdl
StatusACTIVE
Thread Length0.375 INCHES MINIMUM IN
Internal Drive StyleSLOT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head StyleBINDING
Thread Quantity Per Inch32
Head Height0.071 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Screw Surface TreatmentNICKEL
Head Diameter0.275 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
Fastener Length0.375 INCHES NOMINAL IN
Nominal Thread Diameter0.138 INCHES IN
Thread DirectionRIGHT-HAND
Thread Class2A A
Screw MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-161-717691J2R2 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5945-00-176-475021748 INTERCHANGEABLE
Solenoid,electrical
Eaton Aerospace Llc
6645-00-225-27344038 INTERCHANGEABLE
Wheel,center
Wakmann Watch Company Inc
5130-00-234-48774038 INTERCHANGEABLE
Wrench,impact,pneumatic
Sioux Tools Inc
5999-00-283-399816T1879 INTERCHANGEABLE
Cap,electrical
Chief of Engineers Dept of Army
5950-00-647-5830292-1061G1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
5305-01-226-9461 INTERCHANGEABLE
Thumbscrew
2520-01-253-05594038 INTERCHANGEABLE
Cooler,fluid,transmission
Windham Lifts Inc
3020-01-389-9048 INTERCHANGEABLE
Sprocket Wheel
5120-01-428-4724 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
21329-632-9 PRIMARY Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
503823-000 PRIMARY Stromberg-Carlson Corp a Plessey Telecommunications Co (USA)
4038 Cessna Aircraft Co Arc Avionics Div (USA)
G14BC6NB6 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
503823-000 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
EE2-1-6-6 Raytheon Technical Services Company (USA)
EE2-1-6-6 PRIMARY Cae Usa Inc. (USA)
HN950B12-632 PRIMARY Honeywell International Inc Dba Honeywell (USA)
W105-706 PRIMARY Bogen Communications Inc (USA)
Related Parts
5905-00-161-7176INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
91J2R2
5945-00-176-4750INTERCHANGEABLE
SOLENOID,ELECTRICAL
21748
6645-00-225-2734INTERCHANGEABLE
WHEEL,CENTER
4038
5130-00-234-4877INTERCHANGEABLE
WRENCH,IMPACT,PNEUMATIC
4038
5999-00-283-3998INTERCHANGEABLE
CAP,ELECTRICAL
16T1879
5950-00-647-5830INTERCHANGEABLE
TRANSFORMER,POWER
292-1061G1
5305-01-226-9461INTERCHANGEABLE
THUMBSCREW
2520-01-253-0559INTERCHANGEABLE
COOLER,FLUID,TRANSMISSION
4038
3020-01-389-9048INTERCHANGEABLE
SPROCKET WHEEL
5120-01-428-4724INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5996-01-526-1720INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
4038
6625-01-569-1115INTERCHANGEABLE
ABSORBER,RADIO FREQUENCY RADIATI
4038

Frequently Asked Questions

What is NSN 5305-00-149-9878?

NSN 5305-00-149-9878 is a Screw,machine, manufactured by Naval Air Warfare Center Aircraft Division Joint Base Jbmdl, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-149-9878?

NSN 5305-00-149-9878 has 9 cross-referenced part numbers: 21329-632-9 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), 503823-000 (Stromberg-Carlson Corp a Plessey Telecommunications Co), 4038 (Cessna Aircraft Co Arc Avionics Div), G14BC6NB6 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 503823-000 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc) and 4 more.

What NSN replaces 5305-00-149-9878?

There are 12 known substitutes for 5305-00-149-9878: 5905-00-161-7176, 5945-00-176-4750, 6645-00-225-2734 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21329-632-9?

Key specifications for 21329-632-9: Thread Length: 0.375 INCHES MINIMUM IN; Internal Drive Style: SLOT; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Head Style: BINDING. 13 total characteristics are documented in the Federal Logistics Information System.

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