PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

75M193Washer,flat

Boehme H O Inc · NSN 5310-00-638-9783 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-638-9783 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-638-9783. Primary manufacturer part number: 75M193.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Material: COPPER ALLOY OVERALL
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 0.147 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.028 INCHES NOMINAL IN
  • Overall Diameter: 0.312 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-638-9783, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Boehme H O Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 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
NSN5310-00-638-9783
Primary Part Number75M193
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBoehme H O Inc
StatusCANCELLED
Peripheral Shape StyleROUND
MaterialCOPPER ALLOY OVERALL
Center Hole Shape StyleROUND
Hole Diameter0.147 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.028 INCHES NOMINAL IN
Overall Diameter0.312 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-186-0965 INTERCHANGEABLE
Washer,key
3120-00-362-1369AL258 INTERCHANGEABLE
Bearing,sleeve
Trw Inc Replacement Parts Div
2920-00-364-6885A1583 INTERCHANGEABLE
Drive,engine,electrical Starter
Purolator Products Co Div Motor Components, Llc
5310-00-637-3110 INTERCHANGEABLE
Washer,key
5961-00-788-2287W06 INTERCHANGEABLE
Rectifier
General Semiconductor Inc
8455-01-023-8482 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-023-8483 INTERCHANGEABLE
Insignia,shoulder Sleeve
5310-01-064-7700MCF13373 INTERCHANGEABLE
Washer,lock
Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace
5310-01-065-5946155206 INTERCHANGEABLE
Washer,key
Cone Drive Operations Inc
6515-01-101-6986 INTERCHANGEABLE
Stockinet,surgical
Cross-Reference Index
Part NumberManufacturer
75M193 Boehme H O Inc
990-0001-012 Cooper Interconnect, Inc. (USA)
55M165 Boehme H O Inc
W06 Honeywell Intl Inc Defense Avionics Systems (USA)
8100-0200 Genrad Inc (USA)
FF-W-92B Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A1583 Allen R C Co Inc Cash Register Div (USA)
A1583 Kelly Manufacturing Company (USA)
W06 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
Related Parts
5310-00-186-0965INTERCHANGEABLE
WASHER,KEY
3120-00-362-1369INTERCHANGEABLE
BEARING,SLEEVE
AL258
2920-00-364-6885INTERCHANGEABLE
DRIVE,ENGINE,ELECTRICAL STARTER
A1583
5310-00-637-3110INTERCHANGEABLE
WASHER,KEY
5961-00-788-2287INTERCHANGEABLE
RECTIFIER
W06
8455-01-023-8482INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-023-8483INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
5310-01-064-7700INTERCHANGEABLE
WASHER,LOCK
MCF13373
5310-01-065-5946INTERCHANGEABLE
WASHER,KEY
155206
6515-01-101-6986INTERCHANGEABLE
STOCKINET,SURGICAL
5310-01-103-8839INTERCHANGEABLE
WASHER,KEY
5310-01-141-8430INTERCHANGEABLE
WASHER,KEY
W-06

Frequently Asked Questions

What is NSN 5310-00-638-9783?

NSN 5310-00-638-9783 is a Washer,flat, manufactured by Boehme H O Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-638-9783?

NSN 5310-00-638-9783 has 9 cross-referenced part numbers: 75M193 (Boehme H O Inc), 990-0001-012 (Cooper Interconnect, Inc.), 55M165 (Boehme H O Inc), W06 (Honeywell Intl Inc Defense Avionics Systems), 8100-0200 (Genrad Inc) and 4 more.

What NSN replaces 5310-00-638-9783?

There are 12 known substitutes for 5310-00-638-9783: 5310-00-186-0965, 3120-00-362-1369, 2920-00-364-6885 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 75M193?

Key specifications for 75M193: Peripheral Shape Style: ROUND; Material: COPPER ALLOY OVERALL; Center Hole Shape Style: ROUND; Hole Diameter: 0.147 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-638-9783 still in active supply?

NSN 5310-00-638-9783 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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