PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H16-3Nut,self-Locking,extended Washer

Howmet Global Fastening Systems Inc · NSN 5310-00-933-6598 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-933-6598 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-933-6598. Primary manufacturer part number: H16-3.
Features
  • Nut,self-Locking,extended Washer — FSC 5310
  • Washer Thickness: 0.045 INCHES NOMINAL IN
  • Nominal Thread Size: 0.190 INCHES IN
  • Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Material: STEEL OVERALL
  • Locking Feature: PREVAILING TORQUE ALL METAL DESIGN
  • Washer Outside Diameter: 0.350 INCHES MAXIMUM IN
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 5310-00-933-6598, 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 4 commercial cross-references from 4 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
NSN5310-00-933-6598
Primary Part NumberH16-3
Item NameNut,self-Locking,extended Washer
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHowmet Global Fastening Systems Inc
StatusACTIVE
Washer Thickness0.045 INCHES NOMINAL IN
Nominal Thread Size0.190 INCHES IN
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL OVERALL
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Washer Outside Diameter0.350 INCHES MAXIMUM IN
Thread SeriesUNIFIED NATIONAL JOINT FINE (UNJF)
Temp Rating450.0 FAHRENHEIT NOMINAL DEGF
Thread Quantity Per Inch32
Thread Class3B
Width Across Flats0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
LubricationDRY FILM LUBRICANT
Nut StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-855-16121K11 INTERCHANGEABLE
Coupling Half,quick Disconnect
Tuthill Corp Hansen Coupling Div
6135-00-998-5884 INTERCHANGEABLE
Battery,nonrechargeable
4130-01-394-4157 INTERCHANGEABLE
Filter-Drier,refrigerant
Cross-Reference Index
Part NumberManufacturer
918B105-2 Zf Industrieantriebe Witten Gmbh (DEU)
H16-3 Howmet Global Fastening Systems Inc. Div Microdot Products (USA)
H16-3 PRIMARY Howmet Global Fastening Systems Inc (USA)
H16-3 Satair A/s (DNK)
Related Parts
4730-00-855-1612INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
1K11
6135-00-998-5884INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
4130-01-394-4157INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT

Frequently Asked Questions

What is NSN 5310-00-933-6598?

NSN 5310-00-933-6598 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 5310-00-933-6598?

NSN 5310-00-933-6598 has 4 cross-referenced part numbers: 918B105-2 (Zf Industrieantriebe Witten Gmbh), H16-3 (Howmet Global Fastening Systems Inc. Div Microdot Products), H16-3 (Howmet Global Fastening Systems Inc), H16-3 (Satair A/s).

What NSN replaces 5310-00-933-6598?

There are 3 known substitutes for 5310-00-933-6598: 4730-00-855-1612, 6135-00-998-5884, 4130-01-394-4157. Verify interchangeability with system specifications before substitution.

What are the specifications of H16-3?

Key specifications for H16-3: Washer Thickness: 0.045 INCHES NOMINAL IN; Overall Height: 0.250 INCHES MAXIMUM IN; Nominal Thread Size: 0.190 INCHES IN; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com