PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

232705Washer,lock

Honeywell International Inc. Dba Honeywell International · NSN 5310-00-478-4448 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-478-4448 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-478-4448. Primary manufacturer part number: 232705.
Features
  • Washer,lock — FSC 5310
  • Material: COPPER ALLOY OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Outside Diameter: 0.141 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
  • Material Thickness: 0.031 INCHES NOMINAL IN
  • Hole Diameter: 0.089 INCHES MINIMUM IN
  • 4 verified cross-references
  • Primary manufacturer: Honeywell International Inc. Dba Honeywell International
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-478-4448, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell International Inc. Dba Honeywell International. Government technical data includes 5 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-478-4448
Primary Part Number232705
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Outside Diameter0.141 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
Material Thickness0.031 INCHES NOMINAL IN
Hole Diameter0.089 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-275-1723N02 INTERCHANGEABLE
Nut,plain,hexagon
Honeywell Intl Inc Defense Avionics Systems
4240-00-283-6293N02 INTERCHANGEABLE
Guard,gaff
Bashlin Industries Inc.
5325-00-550-43609003202 INTERCHANGEABLE
Stud,turnlock Fastener
Us Army Aviation and Missile Command
5310-00-687-7789 INTERCHANGEABLE
Nut,plain,round
4530-00-767-4269 INTERCHANGEABLE
Burner,oil,pressure Atomizing
5940-00-998-7667104-526-9002 INTERCHANGEABLE
Terminal,stud
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
5310-01-133-3906X20082 INTERCHANGEABLE
Nut,plain,round
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
5310-01-170-843972615PIECE35 INTERCHANGEABLE
Nut,self-Locking
Mont-Hard /canada/ Inc
5310-01-170-9008 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-205-7933 INTERCHANGEABLE
Nut,lock
Cross-Reference Index
Part NumberManufacturer
232705 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
N0-2 Philadelphia Steel and Wire Corp (USA)
10121409 Nimikkeistokeskus Ncb Finland (FIN)
232705 PRIMARY Honeywell International Inc. Dba Honeywell International (USA)
Related Parts
5310-00-275-1723INTERCHANGEABLE
NUT,PLAIN,HEXAGON
N02
4240-00-283-6293INTERCHANGEABLE
GUARD,GAFF
N02
5325-00-550-4360INTERCHANGEABLE
STUD,TURNLOCK FASTENER
9003202
5310-00-687-7789INTERCHANGEABLE
NUT,PLAIN,ROUND
4530-00-767-4269INTERCHANGEABLE
BURNER,OIL,PRESSURE ATOMIZING
5940-00-998-7667INTERCHANGEABLE
TERMINAL,STUD
104-526-9002
5310-01-133-3906INTERCHANGEABLE
NUT,PLAIN,ROUND
X20082
5310-01-170-8439INTERCHANGEABLE
NUT,SELF-LOCKING
72615PIECE35
5310-01-170-9008INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-205-7933INTERCHANGEABLE
NUT,LOCK
5310-01-358-1967INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
6230-01-494-0585INTERCHANGEABLE
FLASHLIGHT
81034600-002

Frequently Asked Questions

What is NSN 5310-00-478-4448?

NSN 5310-00-478-4448 is a Washer,lock, manufactured by Honeywell International Inc. Dba Honeywell International, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-478-4448?

NSN 5310-00-478-4448 has 4 cross-referenced part numbers: 232705 (Lockheed Martin Corporation Div Rms - Mitchel Field), N0-2 (Philadelphia Steel and Wire Corp), 10121409 (Nimikkeistokeskus Ncb Finland), 232705 (Honeywell International Inc. Dba Honeywell International).

What NSN replaces 5310-00-478-4448?

There are 12 known substitutes for 5310-00-478-4448: 5310-00-275-1723, 4240-00-283-6293, 5325-00-550-4360 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 232705?

Key specifications for 232705: Material: COPPER ALLOY OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.141 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN; Material Thickness: 0.031 INCHES NOMINAL IN. 5 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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