PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

849257-2Washer,flat

Sacramento Air Logistics Center Sm-Alc/liil · NSN 5310-01-097-7691 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-097-7691 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-097-7691. Primary manufacturer part number: 849257-2.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 1.250 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Surface Treatment: ZINC OVERALL
  • Surface Treatment Document and Classification: QQ-Z-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole 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 5310-01-097-7691, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sacramento Air Logistics Center Sm-Alc/liil. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN5310-01-097-7691
Primary Part Number849257-2
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSacramento Air Logistics Center Sm-Alc/liil
StatusCANCELLED
Overall Diameter1.250 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Surface TreatmentZINC OVERALL
Surface Treatment Document and ClassificationQQ-Z-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Hole Diameter0.344 INCHES NOMINAL IN
Thickness0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6750-00-177-5376 INTERCHANGEABLE
Paper,microfilm Copy
3455-00-228-5228 INTERCHANGEABLE
Cutter,milling,end
3455-00-228-5295 INTERCHANGEABLE
Cutter,milling,end
5940-00-258-360176-8 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
3455-00-280-239715446 INTERCHANGEABLE
Cutter,milling,end
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
6645-00-368-8636768 INTERCHANGEABLE
Timer,sequential
Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
5310-00-776-01057760105 INTERCHANGEABLE
Washer,flat
U S Army Tank Automotive Command Amsta-Im-Mm
5995-00-823-2939767-4 INTERCHANGEABLE
Lead,electrical
Janco Corporation Dba Janco Corp Div Mason Controls
5905-00-879-8093201568 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
North Atlantic Industries, Inc. Dba North Atlantic Industries
5940-00-926-9827768 INTERCHANGEABLE
Terminal,stud
Southport Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
849257-2 Sacramento Air Logistics Center Sm-Alc/liil (USA)
PHC6-4F Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA)
656-B34-1Y Spaenaur Inc (CAN)
768 Spaenaur Inc (CAN)
Related Parts
6750-00-177-5376INTERCHANGEABLE
PAPER,MICROFILM COPY
3455-00-228-5228INTERCHANGEABLE
CUTTER,MILLING,END
3455-00-228-5295INTERCHANGEABLE
CUTTER,MILLING,END
5940-00-258-3601INTERCHANGEABLE
TERMINAL,LUG
76-8
3455-00-280-2397INTERCHANGEABLE
CUTTER,MILLING,END
15446
6645-00-368-8636INTERCHANGEABLE
TIMER,SEQUENTIAL
768
5310-00-776-0105INTERCHANGEABLE
WASHER,FLAT
7760105
5995-00-823-2939INTERCHANGEABLE
LEAD,ELECTRICAL
767-4
5905-00-879-8093INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
201568
5940-00-926-9827INTERCHANGEABLE
TERMINAL,STUD
768
4530-01-048-6719INTERCHANGEABLE
NOZZLE,OIL BURNER
PLP60DEG7 1-2GPH
4140-01-136-7705INTERCHANGEABLE
FAN,ALTERNATOR
7-68

Frequently Asked Questions

What is NSN 5310-01-097-7691?

NSN 5310-01-097-7691 is a Washer,flat, manufactured by Sacramento Air Logistics Center Sm-Alc/liil, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-097-7691?

NSN 5310-01-097-7691 has 4 cross-referenced part numbers: 849257-2 (Sacramento Air Logistics Center Sm-Alc/liil), PHC6-4F (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division), 656-B34-1Y (Spaenaur Inc), 768 (Spaenaur Inc).

What NSN replaces 5310-01-097-7691?

There are 12 known substitutes for 5310-01-097-7691: 6750-00-177-5376, 3455-00-228-5228, 3455-00-228-5295 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 849257-2?

Key specifications for 849257-2: Overall Diameter: 1.250 INCHES NOMINAL IN; Peripheral Shape Style: ROUND; Special Features: LOW CARBON STEEL PER FED-STD-66; Surface Treatment: ZINC OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-097-7691 still in active supply?

NSN 5310-01-097-7691 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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