PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

423-120Screw,cap,hexagon Head

Dorman Products, Inc. Dba Dorman · NSN 5305-01-138-9547 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-138-9547 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-138-9547. Primary manufacturer part number: 423-120.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Pitch in Millimeters: 0.8
  • Thread Series Designator: M
  • Surface Treatment: ZINC AND CHROMATE OVERALL
  • Head Height: 3.5 MILLIMETERS NOMINAL MM
  • Thread Length: 16.0 MILLIMETERS MINIMUM AND 20.0 MILLIMETERS MAXIMUM MM
  • Fastener Length: 20.00 MILLIMETERS NOMINAL MM
  • Material: STEEL COMP 1040 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1040 Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-138-9547, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dorman Products, Inc. Dba Dorman. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-138-9547
Primary Part Number423-120
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerDorman Products, Inc. Dba Dorman
StatusACTIVE
Thread Pitch in Millimeters0.8
Thread Series DesignatorM
Surface TreatmentZINC AND CHROMATE OVERALL
Head Height3.5 MILLIMETERS NOMINAL MM
Thread Length16.0 MILLIMETERS MINIMUM AND 20.0 MILLIMETERS MAXIMUM MM
Fastener Length20.00 MILLIMETERS NOMINAL MM
MaterialSTEEL COMP 1040 OVERALL
Head StyleHEXAGON
Thread DirectionRIGHT-HAND
Width Between Flats8.0 MILLIMETERS NOMINAL MM
Nominal Thread Diameter5.0 MILLIMETERS MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5990-00-224-9408917123-1 INTERCHANGEABLE
Synchro,differential Transmitter
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5136-00-262-2195FRS T126 INTERCHANGEABLE
Tap,thread Cutting
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
2530-00-274-4443647712 INTERCHANGEABLE
Brake Lining Kit
Am General Llc
5220-00-566-40591440-4 INTERCHANGEABLE
Gage,plug,thread
Stanley Engineered Fastening Llc
5945-00-583-7564 INTERCHANGEABLE
Relay,electromagnetic
4940-00-907-59831440-4 INTERCHANGEABLE
Guide,piston
Lear Siegler Inc Hypro Div
5310-01-178-7335DIN 1440 4 INTERCHANGEABLE
Washer,flat
Metric and Multistandard Components Corp
5330-01-495-937057K4389 INTERCHANGEABLE
Gasket
U S Army Tank Automotive Command Amsta-Im-Mm
5305-01-586-852914404 INTERCHANGEABLE
Screw,cap,hexagon Head
Indiana Mills & Manufacturing Inc Dba Indiana Mills & Manufacturing Inc
6515-01-595-903214404 INTERCHANGEABLE
Faceplate,ostomy Bag
Hollister Inc
Cross-Reference Index
Part NumberManufacturer
423-120 Dorman Products, Inc. Dba Dorman (USA)
14404 Auto Vehicle Parts Co Dba Au-Ve-Co (USA)
10504312 General Dynamics Land Systems Canadacorp (CAN)
29542697 Allison Transmission Inc Dba Allison Transmission, Inc (USA)
Related Parts
5990-00-224-9408INTERCHANGEABLE
SYNCHRO,DIFFERENTIAL TRANSMITTER
917123-1
5136-00-262-2195INTERCHANGEABLE
TAP,THREAD CUTTING
FRS T126
2530-00-274-4443INTERCHANGEABLE
BRAKE LINING KIT
647712
5220-00-566-4059INTERCHANGEABLE
GAGE,PLUG,THREAD
1440-4
5945-00-583-7564INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
4940-00-907-5983INTERCHANGEABLE
GUIDE,PISTON
1440-4
5310-01-178-7335INTERCHANGEABLE
WASHER,FLAT
DIN 1440 4
5330-01-495-9370INTERCHANGEABLE
GASKET
57K4389
5305-01-586-8529INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
14404
6515-01-595-9032INTERCHANGEABLE
FACEPLATE,OSTOMY BAG
14404
4720-01-600-6459INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
423120-15

Frequently Asked Questions

What is NSN 5305-01-138-9547?

NSN 5305-01-138-9547 is a Screw,cap,hexagon Head, manufactured by Dorman Products, Inc. Dba Dorman, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-138-9547?

NSN 5305-01-138-9547 has 4 cross-referenced part numbers: 423-120 (Dorman Products, Inc. Dba Dorman), 14404 (Auto Vehicle Parts Co Dba Au-Ve-Co), 10504312 (General Dynamics Land Systems Canadacorp), 29542697 (Allison Transmission Inc Dba Allison Transmission, Inc).

What NSN replaces 5305-01-138-9547?

There are 11 known substitutes for 5305-01-138-9547: 5990-00-224-9408, 5136-00-262-2195, 2530-00-274-4443 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 423-120?

Key specifications for 423-120: Thread Pitch in Millimeters: 0.8; Thread Series Designator: M; Surface Treatment: ZINC AND CHROMATE OVERALL; Head Height: 3.5 MILLIMETERS NOMINAL MM. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com