PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H14L04Nut,self-Locking,extended Washer

Howmet Global Fastening Systems Inc · NSN 5310-00-308-9734 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-308-9734 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-308-9734. Primary manufacturer part number: H14L04.
Features
  • Nut,self-Locking,extended Washer — FSC 5310
  • Thread Class: 3B
  • Nut Style: HEXAGON
  • Lubrication: DRY FILM LUBRICANT
  • Thread Quantity Per Inch: 40
  • Nominal Thread Size: 0.112 INCHES IN
  • Width Across Flats: 0.141 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-308-9734, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-308-9734
Primary Part NumberH14L04
Item NameNut,self-Locking,extended Washer
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHowmet Global Fastening Systems Inc
StatusACTIVE
Thread Class3B
Nut StyleHEXAGON
LubricationDRY FILM LUBRICANT
Thread Quantity Per Inch40
Nominal Thread Size0.112 INCHES IN
Width Across Flats0.141 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Washer Outside Diameter0.206 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Washer Thickness0.025 INCHES NOMINAL IN
Temp Rating500.0 FAHRENHEIT NOMINAL DEGF
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Thread DirectionRIGHT-HAND
Surface TreatmentCADMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6625-00-102-4751101063RXRX3 INTERCHANGEABLE
Voltmeter
Yokogawa Corporation of America
2640-00-142-5341211-62 INTERCHANGEABLE
Valve,pneumatic Tire
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
5305-00-270-7336021162 INTERCHANGEABLE
Setscrew
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
2510-00-308-291621162 INTERCHANGEABLE
Bracket,seat,adjusting
Tenneco Inc
6505-00-478-5957 INTERCHANGEABLE
Culture Medium,soybean-Casein Di
5998-00-567-9447 INTERCHANGEABLE
Electronic Components Assembly
5950-01-406-5983H8000062-001 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
Cross-Reference Index
Part NumberManufacturer
H14L04 Technical Services (USA)
H14L04 Satair A/s (DNK)
H14L04 PRIMARY Howmet Global Fastening Systems Inc (USA)
21162 Magnetika Inc (USA)
H14L04 Howmet Global Fastening Systems Inc. Div Microdot Products (USA)
Related Parts
6625-00-102-4751INTERCHANGEABLE
VOLTMETER
101063RXRX3
2640-00-142-5341INTERCHANGEABLE
VALVE,PNEUMATIC TIRE
211-62
5305-00-270-7336INTERCHANGEABLE
SETSCREW
021162
2510-00-308-2916INTERCHANGEABLE
BRACKET,SEAT,ADJUSTING
21162
6505-00-478-5957INTERCHANGEABLE
CULTURE MEDIUM,SOYBEAN-CASEIN DI
5998-00-567-9447INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
5950-01-406-5983INTERCHANGEABLE
TRANSFORMER,POWER
H8000062-001

Frequently Asked Questions

What is NSN 5310-00-308-9734?

NSN 5310-00-308-9734 is a Nut,self-Locking,extended Washer, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-308-9734?

NSN 5310-00-308-9734 has 5 cross-referenced part numbers: H14L04 (Technical Services), H14L04 (Satair A/s), H14L04 (Howmet Global Fastening Systems Inc), 21162 (Magnetika Inc), H14L04 (Howmet Global Fastening Systems Inc. Div Microdot Products).

What NSN replaces 5310-00-308-9734?

There are 7 known substitutes for 5310-00-308-9734: 6625-00-102-4751, 2640-00-142-5341, 5305-00-270-7336 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H14L04?

Key specifications for H14L04: Thread Class: 3B; Nut Style: HEXAGON; Lubrication: DRY FILM LUBRICANT; Thread Quantity Per Inch: 40. 16 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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