PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17274Screw,cap,hexagon Head

Fastenal Company Dba Fastenal Co · NSN 5305-01-578-1265 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-578-1265 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-578-1265. Primary manufacturer part number: 17274.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Head Height: 0.348 INCHES MINIMUM AND 0.371 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.563 INCHES IN
  • Fastener Length: 5.400 INCHES MINIMUM AND 5.500 INCHES MAXIMUM IN
  • Head Style: HEXAGON
  • Surface Treatment: ZINC OVERALL
  • Surface Treatment Document and Classification: ASTM F1941, FE/ZN 3A ASSN STD SINGLE TREATMENT RESPONSE OVERALL A
  • Thread Series Designator: UNF
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 5305-01-578-1265, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-578-1265
Primary Part Number17274
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Head Height0.348 INCHES MINIMUM AND 0.371 INCHES MAXIMUM IN
Nominal Thread Diameter0.563 INCHES IN
Fastener Length5.400 INCHES MINIMUM AND 5.500 INCHES MAXIMUM IN
Head StyleHEXAGON
Surface TreatmentZINC OVERALL
Surface Treatment Document and ClassificationASTM F1941, FE/ZN 3A ASSN STD SINGLE TREATMENT RESPONSE OVERALL A
Thread Series DesignatorUNF
Width Between Flats0.798 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
Thread Quantity Per Inch18
Material Document and ClassificationSAE J429, GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Thread DirectionRIGHT-HAND
Thread Class2A A
Thread Length1.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4310-00-215-1935 INTERCHANGEABLE
Ring,oil Feeder
5133-00-839-543331104 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
5961-01-062-656717274 INTERCHANGEABLE
Transistor
L3 Technologies, Inc. Div Communication Systems-West
Cross-Reference Index
Part NumberManufacturer
1001001761 General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
17274 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
4310-00-215-1935INTERCHANGEABLE
RING,OIL FEEDER
5133-00-839-5433INTERCHANGEABLE
DRILL,TWIST
31104
5961-01-062-6567INTERCHANGEABLE
TRANSISTOR
17274

Frequently Asked Questions

What is NSN 5305-01-578-1265?

NSN 5305-01-578-1265 is a Screw,cap,hexagon Head, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-578-1265?

NSN 5305-01-578-1265 has 2 cross-referenced part numbers: 1001001761 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), 17274 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5305-01-578-1265?

There are 3 known substitutes for 5305-01-578-1265: 4310-00-215-1935, 5133-00-839-5433, 5961-01-062-6567. Verify interchangeability with system specifications before substitution.

What are the specifications of 17274?

Key specifications for 17274: Head Height: 0.348 INCHES MINIMUM AND 0.371 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.563 INCHES IN; Fastener Length: 5.400 INCHES MINIMUM AND 5.500 INCHES MAXIMUM IN; Head Style: HEXAGON. 15 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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