PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1/4-20UNC-2AX1- 1/2" LG, GR 316Screw,cap,hexagon Head

Zf Industrieantriebe Witten Gmbh · NSN 5305-01-422-6116 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-422-6116 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-422-6116. Primary manufacturer part number: 1/4-20UNC-2AX1- 1/2" LG, GR 316.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Head Style: HEXAGON
  • Head Height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Thread Quantity Per Inch: 20
  • Surface Treatment: PASSIVATE OVERALL
  • Surface Treatment Document and Classification: FF-S-85 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 316 Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-422-6116, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Zf Industrieantriebe Witten Gmbh. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-422-6116
Primary Part Number1/4-20UNC-2AX1- 1/2" LG, GR 316
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerZf Industrieantriebe Witten Gmbh
StatusACTIVE
Head StyleHEXAGON
Head Height0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
Nominal Thread Diameter0.250 INCHES IN
Thread Quantity Per Inch20
Surface TreatmentPASSIVATE OVERALL
Surface Treatment Document and ClassificationFF-S-85 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Departure From Cited DocumentAS MOFIFIED BY MATERIAL
Material Document and ClassificationFF-S-85 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Length0.750 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
Width Between Flats0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Fastener Length1.438 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
MaterialSTEEL COMP 316 OVERALL
Thread Class2A A
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-207-2297MS35307-312 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
1/4-20UNC-2AX1- 1/2" LG, GR 316 Zf Industrieantriebe Witten Gmbh (DEU)
MS35307-312 CRE S 316 ONLY Zf Industrieantriebe Witten Gmbh (DEU)
MS35307-312 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS35307-312S316 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-00-207-2297INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS35307-312

Frequently Asked Questions

What is NSN 5305-01-422-6116?

NSN 5305-01-422-6116 is a Screw,cap,hexagon Head, manufactured by Zf Industrieantriebe Witten Gmbh, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-422-6116?

NSN 5305-01-422-6116 has 4 cross-referenced part numbers: 1/4-20UNC-2AX1- 1/2" LG, GR 316 (Zf Industrieantriebe Witten Gmbh), MS35307-312 CRE S 316 ONLY (Zf Industrieantriebe Witten Gmbh), MS35307-312 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS35307-312S316 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-01-422-6116?

There is 1 known substitute for 5305-01-422-6116: 5305-00-207-2297. Verify interchangeability with system specifications before substitution.

What are the specifications of 1/4-20UNC-2AX1- 1/2" LG, GR 316?

Key specifications for 1/4-20UNC-2AX1- 1/2" LG, GR 316: Head Style: HEXAGON; Head Height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.250 INCHES IN; Thread Quantity Per Inch: 20. 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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