PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3/8-16UNC-2AX3/4IN.LG,STL,ZINCScrew,cap,hexagon Head

Atf-Davidson Co · NSN 5305-01-282-6148 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-282-6148 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-282-6148. Primary manufacturer part number: 3/8-16UNC-2AX3/4IN.LG,STL,ZINC.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Fastener Length: 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
  • Thread Length: 0.595 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Surface Treatment Document and Classification: ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
  • Material Document and Classification: SAE J429 GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-282-6148, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Atf-Davidson Co. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-282-6148
Primary Part Number3/8-16UNC-2AX3/4IN.LG,STL,ZINC
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAtf-Davidson Co
StatusACTIVE
Nominal Thread Diameter0.375 INCHES IN
Fastener Length0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Thread Length0.595 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Surface Treatment Document and ClassificationASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Hardness Rating23.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
Material Document and ClassificationSAE J429 GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nondefinitive Spec/std Data1 TYPE
Surface TreatmentZINC OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head StyleHEXAGON
Thread Quantity Per Inch16
Thread Class2A A
Minimum Tensile Strength120000 POUNDS PER SQUARE INCH LBS
Width Between Flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Head Height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5331-00-166-86890000-23 INTERCHANGEABLE
O-Ring
Watts Automatic Control Valve Inc
1660-00-313-0954201226 INTERCHANGEABLE
Support,scroll,turbine
Honeywell International Inc. Div Aerospace - Torrance
5840-00-332-1890000023 INTERCHANGEABLE
Gear and Shaft
Cone Drive Operations Inc
5340-01-644-5454000023 INTERCHANGEABLE
Assembly,main Pcb
Infrascan Inc
5305-01-681-8793201226 INTERCHANGEABLE
Screw,cap,socket Head
Hamilton Jet, Inc.
Cross-Reference Index
Part NumberManufacturer
3/8-16UNC-2AX3/4IN.LG,STL,ZINC Atf-Davidson Co (USA)
201226 Austin-Westran Llc (USA)
MIL-S-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M1222RN6C212GFNZE Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
000023 Palm Industries Inc (USA)
MIL-DTL-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5331-00-166-8689INTERCHANGEABLE
O-RING
0000-23
1660-00-313-0954INTERCHANGEABLE
SUPPORT,SCROLL,TURBINE
201226
5840-00-332-1890INTERCHANGEABLE
GEAR AND SHAFT
000023
5340-01-644-5454INTERCHANGEABLE
ASSEMBLY,MAIN PCB
000023
5305-01-681-8793INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
201226

Frequently Asked Questions

What is NSN 5305-01-282-6148?

NSN 5305-01-282-6148 is a Screw,cap,hexagon Head, manufactured by Atf-Davidson Co, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-282-6148?

NSN 5305-01-282-6148 has 6 cross-referenced part numbers: 3/8-16UNC-2AX3/4IN.LG,STL,ZINC (Atf-Davidson Co), 201226 (Austin-Westran Llc), MIL-S-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M1222RN6C212GFNZE (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 000023 (Palm Industries Inc) and 1 more.

What NSN replaces 5305-01-282-6148?

There are 5 known substitutes for 5305-01-282-6148: 5331-00-166-8689, 1660-00-313-0954, 5840-00-332-1890 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3/8-16UNC-2AX3/4IN.LG,STL,ZINC?

Key specifications for 3/8-16UNC-2AX3/4IN.LG,STL,ZINC: Nominal Thread Diameter: 0.375 INCHES IN; Fastener Length: 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Thread Length: 0.595 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Material: STEEL OVERALL. 17 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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