PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

181395Screw,cap,hexagon Head

Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc · NSN 5305-00-709-8517 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-709-8517 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-709-8517. Primary manufacturer part number: 181395.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Class: 2A A
  • Material: STEEL OVERALL
  • Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
  • Thread Series Designator: UNF
  • Thread Direction: RIGHT-HAND
  • Minimum Tensile Strength: 150000 POUNDS PER SQUARE INCH LBS
  • Material Document and Classification: SAE GR 8 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 5305-00-709-8517, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-709-8517
Primary Part Number181395
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerProgress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc
StatusCANCELLED
Thread Class2A A
MaterialSTEEL OVERALL
Hardness Rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
Thread Series DesignatorUNF
Thread DirectionRIGHT-HAND
Minimum Tensile Strength150000 POUNDS PER SQUARE INCH LBS
Material Document and ClassificationSAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Minimum Yield Strength120000 POUNDS PER SQUARE INCH LBS
Width Between Flats0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Head Height0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
Surface TreatmentZINC AND CHROMATE OVERALL
Surface Treatment Document and ClassificationASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Thread Quantity Per Inch20
Fastener Length1.000 INCHES NOMINAL IN
Nominal Thread Diameter0.438 INCHES IN
Thread Length1.000 INCHES MAXIMUM IN
Head StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5905-00-686-0404 INTERCHANGEABLE
Resistor,fixed,wire Wound
5305-00-710-4190100038 INTERCHANGEABLE
Screw,cap,hexagon Head
Chrysler Realty Company Llc Dba Daimler Chrysler
5340-01-478-349819-93-10 INTERCHANGEABLE
Latch,thumb
Southco Inc
Cross-Reference Index
Part NumberManufacturer
10469647 Nimikkeistokeskus Ncb Finland (FIN)
181395 PRIMARY Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (USA)
181395 Army Weapons Command Attn Amswe-Ree-S (USA)
5305007098517 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
B1821BH044F100N American National Standards Institute Incorporated Dba American National Standards Institute (USA)
MS90727-85 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS90726-85 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
ASME B18.2.1 The American Society of Mechanical Engineers (USA)
FF-S-85 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
181395 General Motors Corp Electro-Motive Div (USA)
199-310 Dorman Products, Inc. Dba Dorman (USA)
AES01F438A00AW9A91 PRIMARY The American Society of Mechanical Engineers (USA)
Related Parts
5905-00-686-0404INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5305-00-710-4190INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
100038
5340-01-478-3498INTERCHANGEABLE
LATCH,THUMB
19-93-10

Frequently Asked Questions

What is NSN 5305-00-709-8517?

NSN 5305-00-709-8517 is a Screw,cap,hexagon Head, manufactured by Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-709-8517?

NSN 5305-00-709-8517 has 12 cross-referenced part numbers: 10469647 (Nimikkeistokeskus Ncb Finland), 181395 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc), 181395 (Army Weapons Command Attn Amswe-Ree-S), 5305007098517 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), B1821BH044F100N (American National Standards Institute Incorporated Dba American National Standards Institute) and 7 more.

What NSN replaces 5305-00-709-8517?

There are 3 known substitutes for 5305-00-709-8517: 5905-00-686-0404, 5305-00-710-4190, 5340-01-478-3498. Verify interchangeability with system specifications before substitution.

What are the specifications of 181395?

Key specifications for 181395: Thread Class: 2A A; Material: STEEL OVERALL; Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL; Thread Series Designator: UNF. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-709-8517 still in active supply?

NSN 5305-00-709-8517 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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