PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

945-8PWasher,flat

The Boeing Company Div Legacy Wichita · NSN 5310-00-809-3079 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-809-3079 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-809-3079. Primary manufacturer part number: 945-8P.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 1.368 INCHES MINIMUM AND 1.405 INCHES MAXIMUM IN
  • Hole Diameter: 0.557 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Center Hole Shape Style: ROUND
  • Nondefinitive Spec/std Data: A TYPE AND 1 GRADE AND A CLASS
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
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 5310-00-809-3079, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Legacy Wichita. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 11 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
NSN5310-00-809-3079
Primary Part Number945-8P
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerThe Boeing Company Div Legacy Wichita
StatusCANCELLED
Peripheral Shape StyleROUND
Overall Diameter1.368 INCHES MINIMUM AND 1.405 INCHES MAXIMUM IN
Hole Diameter0.557 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Center Hole Shape StyleROUND
Nondefinitive Spec/std DataA TYPE AND 1 GRADE AND A CLASS
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.086 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6240-00-132-5313958 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
2990-00-135-44351216 INTERCHANGEABLE
Muffler,exhaust
Arvin Industries Inc
1660-00-167-5934958 INTERCHANGEABLE
Seat Assembly,first
Fluid Power, Inc.
2520-00-211-5731958 INTERCHANGEABLE
Cover Assembly,clut
Sachs-Boge of America
5950-00-241-3449 INTERCHANGEABLE
Coil,radio Frequency
5310-00-262-4537 INTERCHANGEABLE
Washer,flat
6675-00-285-7261958 INTERCHANGEABLE
Pen,ruling,draftsman's
Alvin and Co Inc
5975-00-518-0689 INTERCHANGEABLE
Chase Nipple,conduit
5845-00-621-2165 INTERCHANGEABLE
Pad,turntable
5305-00-724-5885 INTERCHANGEABLE
Setscrew
Cross-Reference Index
Part NumberManufacturer
945-8P The Boeing Company Div Legacy Wichita (USA)
FF-W-92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
W221NAAW062NN039NNBA1 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
MS27183-19 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
BM16537-08 Demarkus Corp Refrigeration Engineering Corp (USA)
3632V006 Zf Industrieantriebe Witten Gmbh (DEU)
95-8 Cnh Industrial America Llc Dba Cnh America (USA)
5310008093079 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
5310PL0824241 Jednolity Indeks Materialowy - Uniform Material Index (POL)
47719 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
LA-494-25 Pettibone Llc (USA)
47852 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
Related Parts
6240-00-132-5313INTERCHANGEABLE
LAMP,INCANDESCENT
958
2990-00-135-4435INTERCHANGEABLE
MUFFLER,EXHAUST
1216
1660-00-167-5934INTERCHANGEABLE
SEAT ASSEMBLY,FIRST
958
2520-00-211-5731INTERCHANGEABLE
COVER ASSEMBLY,CLUT
958
5950-00-241-3449INTERCHANGEABLE
COIL,RADIO FREQUENCY
5310-00-262-4537INTERCHANGEABLE
WASHER,FLAT
6675-00-285-7261INTERCHANGEABLE
PEN,RULING,DRAFTSMAN'S
958
5975-00-518-0689INTERCHANGEABLE
CHASE NIPPLE,CONDUIT
5845-00-621-2165INTERCHANGEABLE
PAD,TURNTABLE
5305-00-724-5885INTERCHANGEABLE
SETSCREW
6680-00-756-9239INTERCHANGEABLE
REGULATOR,PRESSURE,MEDICAL GAS A
7510-00-763-2634INTERCHANGEABLE
SCREEN,LINE CUT

Frequently Asked Questions

What is NSN 5310-00-809-3079?

NSN 5310-00-809-3079 is a Washer,flat, manufactured by The Boeing Company Div Legacy Wichita, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-809-3079?

NSN 5310-00-809-3079 has 12 cross-referenced part numbers: 945-8P (The Boeing Company Div Legacy Wichita), FF-W-92 (Federal Specifications Promulgated by General Services Administration Washington DC), W221NAAW062NN039NNBA1 (American National Standards Institute Incorporated Dba American National Standards Institute), MS27183-19 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), BM16537-08 (Demarkus Corp Refrigeration Engineering Corp) and 7 more.

What NSN replaces 5310-00-809-3079?

There are 12 known substitutes for 5310-00-809-3079: 6240-00-132-5313, 2990-00-135-4435, 1660-00-167-5934 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 945-8P?

Key specifications for 945-8P: Peripheral Shape Style: ROUND; Overall Diameter: 1.368 INCHES MINIMUM AND 1.405 INCHES MAXIMUM IN; Hole Diameter: 0.557 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-809-3079 still in active supply?

NSN 5310-00-809-3079 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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