PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5955Nut,plain,square

Prestolite Electric Inc · NSN 5310-00-508-5439 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-508-5439 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-508-5439. Primary manufacturer part number: 5955.
Features
  • Nut,plain,square — FSC 5310
  • Nut Style: SQUARE
  • Bearing Surface Type: CHAMFERED
  • Thread Quantity Per Inch: 20
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 0.190 INCHES IN
  • Material: STEEL OVERALL
  • Width Across Flats: 0.375 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,square, cataloged under National Stock Number 5310-00-508-5439, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Prestolite Electric Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-508-5439
Primary Part Number5955
Item NameNut,plain,square
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerPrestolite Electric Inc
StatusCANCELLED
Nut StyleSQUARE
Bearing Surface TypeCHAMFERED
Thread Quantity Per Inch20
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.190 INCHES IN
MaterialSTEEL OVERALL
Width Across Flats0.375 INCHES NOMINAL IN
Thread Class3B
Surface TreatmentCADMIUM OVERALL
Thread DirectionRIGHT-HAND
Nut Height0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5961-00-231-3830SM-B-650897 INTERCHANGEABLE
Semiconductor Devices,unitized
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
1620-00-591-1543 INTERCHANGEABLE
Guide,piston
4320-00-624-5390 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
3040-00-719-91065955 INTERCHANGEABLE
Shaft,drive
Donaldson Company, Inc.
5950-01-122-7264986256-1B INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
4930-01-131-3280K500RK34A INTERCHANGEABLE
Parts Kit,hose Reel
Kovatch Corp.
2940-01-440-5889595-5 INTERCHANGEABLE
Filter Element,fluid
Dutton-Lainson Company
5360-01-515-88105955 INTERCHANGEABLE
Spring,helical,extension
Clausing Industrial Inc Dba Clausing Corp
8465-01-525-81945955 INTERCHANGEABLE
Flap,pouch Field Pack
Fluke Electronics Corp
7930-01-608-08615955 INTERCHANGEABLE
Polish,finishing
General Atomics Aeronautical Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
10391228 Nimikkeistokeskus Ncb Finland (FIN)
5955 PRIMARY Prestolite Electric Inc (USA)
5310005085439 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
9-125-96 Flxible Co the (USA)
5955 Prestolite Electric Inc (USA)
Related Parts
5961-00-231-3830INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
SM-B-650897
1620-00-591-1543INTERCHANGEABLE
GUIDE,PISTON
4320-00-624-5390INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
3040-00-719-9106INTERCHANGEABLE
SHAFT,DRIVE
5955
5950-01-122-7264INTERCHANGEABLE
REACTOR
986256-1B
4930-01-131-3280INTERCHANGEABLE
PARTS KIT,HOSE REEL
K500RK34A
2940-01-440-5889INTERCHANGEABLE
FILTER ELEMENT,FLUID
595-5
5360-01-515-8810INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
5955
8465-01-525-8194INTERCHANGEABLE
FLAP,POUCH FIELD PACK
5955
7930-01-608-0861INTERCHANGEABLE
POLISH,FINISHING
5955
3120-01-624-2072INTERCHANGEABLE
BEARING ASSEMBLY,STERN TUBE
5955

Frequently Asked Questions

What is NSN 5310-00-508-5439?

NSN 5310-00-508-5439 is a Nut,plain,square, manufactured by Prestolite Electric Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-508-5439?

NSN 5310-00-508-5439 has 5 cross-referenced part numbers: 10391228 (Nimikkeistokeskus Ncb Finland), 5955 (Prestolite Electric Inc), 5310005085439 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 9-125-96 (Flxible Co the), 5955 (Prestolite Electric Inc).

What NSN replaces 5310-00-508-5439?

There are 11 known substitutes for 5310-00-508-5439: 5961-00-231-3830, 1620-00-591-1543, 4320-00-624-5390 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5955?

Key specifications for 5955: Nut Style: SQUARE; Bearing Surface Type: CHAMFERED; Thread Quantity Per Inch: 20; Thread Series: UNIFIED NATIONAL COARSE (UNC). 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-508-5439 still in active supply?

NSN 5310-00-508-5439 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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