PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37-03Nut,self-Locking,hexagon

Hutchens Industries Inc · NSN 5310-01-099-6539 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-099-6539 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-099-6539. Primary manufacturer part number: 37-03.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Nut Style: HEXAGON
  • Thread Quantity Per Inch: 18
  • Thread Series: UNF
  • Bearing Surface Type: CHAMFERED
  • Surface Treatment: CADMIUM OVERALL
  • Material: STEEL COMP 1524 OR STEEL COMP 1527 OR STEEL COMP 1536 OR STEEL COMP 1541 OVERALL
  • Nominal Thread Size: 0.625 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1524 or Steel Comp 1527 or Steel Comp 1536 or Steel Comp 1541 Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-099-6539, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hutchens Industries Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-099-6539
Primary Part Number37-03
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHutchens Industries Inc
StatusACTIVE
Nut StyleHEXAGON
Thread Quantity Per Inch18
Thread SeriesUNF
Bearing Surface TypeCHAMFERED
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL COMP 1524 OR STEEL COMP 1527 OR STEEL COMP 1536 OR STEEL COMP 1541 OVERALL
Nominal Thread Size0.625 INCHES IN
Material Document and ClassificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
Thread Class2B
Thread DirectionRIGHT-HAND
Nut Height0.535 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Width Across Flats0.922 INCHES MINIMUM AND 0.939 INCHES MAXIMUM IN
LubricationSOLUBLE LUBRICANT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-055-23111003704-13 INTERCHANGEABLE
Standoff,threaded,spacing
Armel De Llc Dba Armel Electronics
3895-00-126-0636 INTERCHANGEABLE
Arm
2530-00-155-7226387993C91 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
5975-00-265-7775RW100-50 INTERCHANGEABLE
Reducing Washer,knockout
Egs Electrical Group Appleton Div
4730-00-277-544152454 INTERCHANGEABLE
Trap,steam
Spirax Sarco Inc Dba Spirax Sarco
6145-00-284-0067 INTERCHANGEABLE
Cable,power,electrical
5940-00-617-7557C678137-1 INTERCHANGEABLE
Terminal,lug
Honeywell International Inc Dba Honeywell
3120-00-662-89504500166-6 INTERCHANGEABLE
Bearing,sleeve
Agco Corp Parts Opn
5995-00-707-14193169 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Abm Equipment, Llc
4730-00-757-4492433857 INTERCHANGEABLE
Coupling,drainage Pipe
Avtron Aerospace Inc
Cross-Reference Index
Part NumberManufacturer
37-03 PRIMARY Hutchens Industries Inc (USA)
Related Parts
5340-00-055-2311INTERCHANGEABLE
STANDOFF,THREADED,SPACING
1003704-13
3895-00-126-0636INTERCHANGEABLE
ARM
2530-00-155-7226INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
387993C91
5975-00-265-7775INTERCHANGEABLE
REDUCING WASHER,KNOCKOUT
RW100-50
4730-00-277-5441INTERCHANGEABLE
TRAP,STEAM
52454
6145-00-284-0067INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
5940-00-617-7557INTERCHANGEABLE
TERMINAL,LUG
C678137-1
3120-00-662-8950INTERCHANGEABLE
BEARING,SLEEVE
4500166-6
5995-00-707-1419INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
3169
4730-00-757-4492INTERCHANGEABLE
COUPLING,DRAINAGE PIPE
433857
5998-01-043-1002INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3703
6140-01-143-0738INTERCHANGEABLE
BATTERY,STORAGE

Frequently Asked Questions

What is NSN 5310-01-099-6539?

NSN 5310-01-099-6539 is a Nut,self-Locking,hexagon, manufactured by Hutchens Industries Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-099-6539?

NSN 5310-01-099-6539 has 1 cross-referenced part number: 37-03 (Hutchens Industries Inc).

What NSN replaces 5310-01-099-6539?

There are 12 known substitutes for 5310-01-099-6539: 5340-00-055-2311, 3895-00-126-0636, 2530-00-155-7226 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 37-03?

Key specifications for 37-03: Nut Style: HEXAGON; Thread Quantity Per Inch: 18; Thread Series: UNF; Bearing Surface Type: CHAMFERED. 14 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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