PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

125390Washer,flat

Telemechanics Inc · NSN 5310-00-392-2158 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-392-2158 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-392-2158. Primary manufacturer part number: 125390.
Features
  • Washer,flat — FSC 5310
  • Thickness: 0.058 INCHES NOMINAL IN
  • Surface Treatment: ZINC OVERALL
  • Overall Diameter: 0.312 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Hole Diameter: 0.132 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-392-2158, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-392-2158
Primary Part Number125390
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Thickness0.058 INCHES NOMINAL IN
Surface TreatmentZINC OVERALL
Overall Diameter0.312 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Hole Diameter0.132 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5133-00-189-9271 INTERCHANGEABLE
Drill,twist
4320-00-334-414612226 INTERCHANGEABLE
Pump Unit,rotary
Industrial Technologies and Services Llc
5905-00-643-6754 INTERCHANGEABLE
Resistor,variable,wire Wound,non
4820-01-038-505112226 INTERCHANGEABLE
Diaphragm,valve,flat
Caltam, Inc
3455-01-203-273112226 INTERCHANGEABLE
Trepanning Tool,machine
Hougen Manufacturing, Inc
2920-01-243-8965 INTERCHANGEABLE
Coil,magneto
6105-01-310-340012226 INTERCHANGEABLE
Motor,direct Current
Mag Aerospace Industries, Llc Div Safran Cabins
6610-01-326-8660125390 INTERCHANGEABLE
Computer,flight Director
Astronautics Corporation of America
6530-01-347-0823 INTERCHANGEABLE
Tape,sealing,sterilization Indic
5307-01-420-880512226 INTERCHANGEABLE
Stud,plain
Munters Corporation Dba Munters Des Champs Products Div Cargocaire
Cross-Reference Index
Part NumberManufacturer
122-26 Telemechanics Inc (USA)
122-26 At and T Corp (USA)
125390 Zf Industrieantriebe Witten Gmbh (DEU)
125390 PRIMARY Telemechanics Inc (USA)
125390 At and T Corp (USA)
122-26 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5133-00-189-9271INTERCHANGEABLE
DRILL,TWIST
4320-00-334-4146INTERCHANGEABLE
PUMP UNIT,ROTARY
12226
5905-00-643-6754INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
4820-01-038-5051INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
12226
3455-01-203-2731INTERCHANGEABLE
TREPANNING TOOL,MACHINE
12226
2920-01-243-8965INTERCHANGEABLE
COIL,MAGNETO
6105-01-310-3400INTERCHANGEABLE
MOTOR,DIRECT CURRENT
12226
6610-01-326-8660INTERCHANGEABLE
COMPUTER,FLIGHT DIRECTOR
125390
6530-01-347-0823INTERCHANGEABLE
TAPE,SEALING,STERILIZATION INDIC
5307-01-420-8805INTERCHANGEABLE
STUD,PLAIN
12226
3120-01-495-2885INTERCHANGEABLE
BUSHING
07.0711.0046
9390-01-551-5738INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
11433

Frequently Asked Questions

What is NSN 5310-00-392-2158?

NSN 5310-00-392-2158 is a Washer,flat, manufactured by Telemechanics Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-392-2158?

NSN 5310-00-392-2158 has 6 cross-referenced part numbers: 122-26 (Telemechanics Inc), 122-26 (At and T Corp), 125390 (Zf Industrieantriebe Witten Gmbh), 125390 (Telemechanics Inc), 125390 (At and T Corp) and 1 more.

What NSN replaces 5310-00-392-2158?

There are 12 known substitutes for 5310-00-392-2158: 5133-00-189-9271, 4320-00-334-4146, 5905-00-643-6754 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 125390?

Key specifications for 125390: Thickness: 0.058 INCHES NOMINAL IN; Surface Treatment: ZINC OVERALL; Overall Diameter: 0.312 INCHES NOMINAL IN; Material: STEEL OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-392-2158 still in active supply?

NSN 5310-00-392-2158 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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