PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31256Washer,lock

Prestolite Electric Inc · NSN 5310-01-143-1719 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-143-1719 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-143-1719. Primary manufacturer part number: 31256.
Features
  • Washer,lock — FSC 5310
  • 4 verified cross-references
  • Primary manufacturer: Prestolite Electric Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-143-1719, 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. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,lock
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersOshkosh Corp (CAGE 45152); Oshkosh Defense Llc (CAGE 75Q65); Prestolite Electric Inc (CAGE 35510); Prestolite Electric Inc (CAGE 24975)
Technical Specifications
ParameterValue
NSN5310-01-143-1719
Primary Part Number31256
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerPrestolite Electric Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5360-00-012-0012053654 INTERCHANGEABLE
Spring Assembly,control
Grimes Aerospace Company
5940-00-156-713531256 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
5950-00-244-841931256 INTERCHANGEABLE
Transformer,radio Frequency
Pax Mfg Corp Hammarlund Mfg Co Div
3455-00-260-332219832 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5305-00-812-8407NAS1352-10LE32P INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-152-990731256 INTERCHANGEABLE
Nut,plain,hexagon
Barnes Group Inc. Dba Barnes Distribution
5310-01-197-51543125-6 INTERCHANGEABLE
Nut
Manitowoc Engineering Co Division of the Manitowoc Co Inc
5905-01-250-5794 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5310-01-294-017231256 INTERCHANGEABLE
Nut,plain,round
Flowserve Inc
5305-01-591-663431256 INTERCHANGEABLE
Screw,cap,hexagon Head
Eagle Components, Inc
Cross-Reference Index
Part NumberManufacturer
15RX8 Oshkosh Corp (USA)
15RX8 Oshkosh Defense Llc (USA)
31256 Prestolite Electric Inc (USA)
31256 PRIMARY Prestolite Electric Inc (USA)
Related Parts
5360-00-012-0012INTERCHANGEABLE
SPRING ASSEMBLY,CONTROL
053654
5940-00-156-7135INTERCHANGEABLE
TERMINAL,LUG
31256
5950-00-244-8419INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
31256
3455-00-260-3322INTERCHANGEABLE
REAMER,MACHINE
19832
5305-00-812-8407INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NAS1352-10LE32P
5310-01-152-9907INTERCHANGEABLE
NUT,PLAIN,HEXAGON
31256
5310-01-197-5154INTERCHANGEABLE
NUT
3125-6
5905-01-250-5794INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5310-01-294-0172INTERCHANGEABLE
NUT,PLAIN,ROUND
31256
5305-01-591-6634INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
31256

Frequently Asked Questions

What is NSN 5310-01-143-1719?

NSN 5310-01-143-1719 is a Washer,lock, manufactured by Prestolite Electric Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-143-1719?

NSN 5310-01-143-1719 has 4 cross-referenced part numbers: 15RX8 (Oshkosh Corp), 15RX8 (Oshkosh Defense Llc), 31256 (Prestolite Electric Inc), 31256 (Prestolite Electric Inc).

What NSN replaces 5310-01-143-1719?

There are 10 known substitutes for 5310-01-143-1719: 5360-00-012-0012, 5940-00-156-7135, 5950-00-244-8419 and 7 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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