PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

625846Washer,flat

Paradigm Manchester Inc. Dba Pursuit Aerospace · NSN 5310-00-148-3717 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-148-3717 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-148-3717. Primary manufacturer part number: 625846.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Surface Finish: 63.0 MICROINCHES BOTTOM
  • Material: STEEL COMP 410 OVERALL
  • Material Document and Classification: AMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5504 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Finish: 63.0 MICROINCHES TOP
  • Overall Diameter: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 410 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-148-3717, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Paradigm Manchester Inc. Dba Pursuit Aerospace. Government technical data includes 10 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-148-3717
Primary Part Number625846
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerParadigm Manchester Inc. Dba Pursuit Aerospace
StatusACTIVE
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Surface Finish63.0 MICROINCHES BOTTOM
MaterialSTEEL COMP 410 OVERALL
Material Document and ClassificationAMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5504 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface Finish63.0 MICROINCHES TOP
Overall Diameter0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Thickness0.056 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
Hole Diameter0.206 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5905-00-139-0321311-1261-00 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Tektronix, Inc.
5310-00-464-6497623461 INTERCHANGEABLE
Nut,plain,barrel
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5310-00-731-7486625846 INTERCHANGEABLE
Nut,plain,extended Washer,double
Atomic Energy Commission Oak Ridge Opns Office
1005-00-914-2922SP 64672 INTERCHANGEABLE
Cap,hand Guard
Colt's Manufacturing Company, Llc
4710-01-266-817262584-6 INTERCHANGEABLE
Tubing,nonmetallic
Curtis Dyna-Fog, Ltd.
Cross-Reference Index
Part NumberManufacturer
625846 Paradigm Manchester Inc. Dba Pursuit Aerospace (USA)
625846 Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring (USA)
623461 Kito Mfg Co. Ltd (JPN)
625846 Alinabal Holdings Corporation Div Engineered Products Group (USA)
625846 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
625846 Dynamic Gunver Technologies Llc (USA)
623461 Kito Mfg Co. Ltd (JPN)
623461 Trw Inc Vulcan Tools Div (USA)
625846 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
Related Parts
5905-00-139-0321INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
311-1261-00
5310-00-464-6497INTERCHANGEABLE
NUT,PLAIN,BARREL
623461
5310-00-731-7486INTERCHANGEABLE
NUT,PLAIN,EXTENDED WASHER,DOUBLE
625846
1005-00-914-2922INTERCHANGEABLE
CAP,HAND GUARD
SP 64672
4710-01-266-8172INTERCHANGEABLE
TUBING,NONMETALLIC
62584-6

Frequently Asked Questions

What is NSN 5310-00-148-3717?

NSN 5310-00-148-3717 is a Washer,flat, manufactured by Paradigm Manchester Inc. Dba Pursuit Aerospace, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-148-3717?

NSN 5310-00-148-3717 has 9 cross-referenced part numbers: 625846 (Paradigm Manchester Inc. Dba Pursuit Aerospace), 625846 (Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring), 623461 (Kito Mfg Co. Ltd), 625846 (Alinabal Holdings Corporation Div Engineered Products Group), 625846 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney) and 4 more.

What NSN replaces 5310-00-148-3717?

There are 5 known substitutes for 5310-00-148-3717: 5905-00-139-0321, 5310-00-464-6497, 5310-00-731-7486 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 625846?

Key specifications for 625846: Peripheral Shape Style: ROUND; Cross-Sectional Shape Style: RECTANGULAR; Surface Finish: 63.0 MICROINCHES BOTTOM; Material: STEEL COMP 410 OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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