PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

502256Washer,flat

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5310-00-514-8245 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-514-8245 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-514-8245. Primary manufacturer part number: 502256.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Departure From Cited Designator: AS MODIFIED BY OUTSIDE DIA.
  • Nondefinitive Spec/std Data: A TYPE AND I GRADE AND E CLASS
  • Overall Diameter: 0.2812 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-514-8245, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-514-8245
Primary Part Number502256
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Hole Diameter0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Departure From Cited DesignatorAS MODIFIED BY OUTSIDE DIA.
Nondefinitive Spec/std DataA TYPE AND I GRADE AND E CLASS
Overall Diameter0.2812 INCHES NOMINAL IN
Thickness0.025 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5330-00-118-171620515 INTERCHANGEABLE
Gasket
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5305-00-811-0798MS51021-83 INTERCHANGEABLE
Setscrew
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4320-01-035-1362502256 INTERCHANGEABLE
Rotor,pump
Danfoss Power Solutions II, Llc
5985-01-094-2994055731-2 INTERCHANGEABLE
Attenuator,fixed
L3 Technologies, Inc. Div L3 Keo
5310-01-147-398420515 INTERCHANGEABLE
Nut
Falls Filtration Technologies, Inc.
6520-01-325-979228417 INTERCHANGEABLE
Impression Material,dental
Kerr Corporation
4810-01-623-546020515 INTERCHANGEABLE
Slide,directional Control Linear
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
1630-01-640-7779 INTERCHANGEABLE
Caliper Assembly,disc Brake
4920-01-645-030320515 INTERCHANGEABLE
Double Action Pisto
Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco
5180-01-675-121520515 INTERCHANGEABLE
Tool Kit,ammunition Maintenance
Omark Industries Inc Rcbs Div
Cross-Reference Index
Part NumberManufacturer
502256 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
20515 Phoenix Specialty Mfg Co Inc (USA)
FF-W-92 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
W-0-5N Honeywell Intl Inc Defense Avionics Systems (USA)
502256 Zf Industrieantriebe Witten Gmbh (DEU)
502256 CAGE 00000
525-5N Honeywell Intl Inc Defense Avionics Systems (USA)
Related Parts
5330-00-118-1716INTERCHANGEABLE
GASKET
20515
5305-00-811-0798INTERCHANGEABLE
SETSCREW
MS51021-83
4320-01-035-1362INTERCHANGEABLE
ROTOR,PUMP
502256
5985-01-094-2994INTERCHANGEABLE
ATTENUATOR,FIXED
055731-2
5310-01-147-3984INTERCHANGEABLE
NUT
20515
6520-01-325-9792INTERCHANGEABLE
IMPRESSION MATERIAL,DENTAL
28417
4810-01-623-5460INTERCHANGEABLE
SLIDE,DIRECTIONAL CONTROL LINEAR
20515
1630-01-640-7779INTERCHANGEABLE
CALIPER ASSEMBLY,DISC BRAKE
4920-01-645-0303INTERCHANGEABLE
DOUBLE ACTION PISTO
20515
5180-01-675-1215INTERCHANGEABLE
TOOL KIT,AMMUNITION MAINTENANCE
20515
4730-01-723-1369INTERCHANGEABLE
FLANGE,PIPE
502256

Frequently Asked Questions

What is NSN 5310-00-514-8245?

NSN 5310-00-514-8245 is a Washer,flat, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-514-8245?

NSN 5310-00-514-8245 has 7 cross-referenced part numbers: 502256 (U S Army Tank Automotive Command Amsta-Im-Mm), 20515 (Phoenix Specialty Mfg Co Inc), FF-W-92 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), W-0-5N (Honeywell Intl Inc Defense Avionics Systems), 502256 (Zf Industrieantriebe Witten Gmbh) and 2 more.

What NSN replaces 5310-00-514-8245?

There are 11 known substitutes for 5310-00-514-8245: 5330-00-118-1716, 5305-00-811-0798, 4320-01-035-1362 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 502256?

Key specifications for 502256: Hole Diameter: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Peripheral Shape Style: ROUND; Center Hole Shape Style: ROUND; Cross-Sectional Shape Style: RECTANGULAR. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-514-8245 still in active supply?

NSN 5310-00-514-8245 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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