PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0153661Washer,flat

Fastenal Company Dba Fastenal Co · NSN 5310-01-503-8763 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-503-8763 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-503-8763. Primary manufacturer part number: 0153661.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Thickness: 0.160 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 0.344 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Surface Treatment: ZINC OVERALL
  • Overall Diameter: 0.688 INCHES NOMINAL IN
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 5310-01-503-8763, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 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
NSN5310-01-503-8763
Primary Part Number0153661
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusCANCELLED
Peripheral Shape StyleROUND
Thickness0.160 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.344 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Surface TreatmentZINC OVERALL
Overall Diameter0.688 INCHES NOMINAL IN
Hardness Rating38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5905-00-279-270115366-1 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Pax Mfg Corp Hammarlund Mfg Co Div
2910-00-377-5546304101R91 INTERCHANGEABLE
Filter Element,fluid
Komatsu America Corporation
5998-00-400-3241 INTERCHANGEABLE
Circuit Card Assembly
5996-00-461-341620035-1 INTERCHANGEABLE
Amplifier,audio Frequency
Telephonics Corp
5950-00-787-2747875A210 INTERCHANGEABLE
Transformer,audio Frequency
Dyna-Empire Inc
5985-00-877-0280200351 INTERCHANGEABLE
Line Section,radio Frequency Tra
Telectro-Mek Inc
3010-00-962-12771767-053 INTERCHANGEABLE
Gearcase-Motor
Woodward, Inc.
5330-00-981-953233080 INTERCHANGEABLE
Gasket
Arrow Pneumatics Inc
6520-01-045-080333-0080-00 INTERCHANGEABLE
Parts Kit,dental Equipment
A-Dec Inc Dba a-Dec
4510-01-061-8837200351-5 INTERCHANGEABLE
Holder,toilet Paper Roll
Mag Aerospace Industries, Llc Div Safran Cabins
Cross-Reference Index
Part NumberManufacturer
153661 Fastenal Company (USA)
8307106 Jlg Industries, Inc. (USA)
0153661 PRIMARY Fastenal Company Dba Fastenal Co (USA)
200351 General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
5310PL2128356 Jednolity Indeks Materialowy - Uniform Material Index (POL)
12759-00253 Fastenal Company Dba Fastenal Co (USA)
2000351 General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
8307106 Trak International (USA)
3001144 General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
33080 Fastenal Company Dba Fastenal Co (USA)
12759-00252 Fastenal Company Dba Fastenal Co (USA)
95649A244 Mcmaster-Carr Supply Company (USA)
MAS11858 Np Aerospace Limited (GBR)
Related Parts
5905-00-279-2701INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
15366-1
2910-00-377-5546INTERCHANGEABLE
FILTER ELEMENT,FLUID
304101R91
5998-00-400-3241INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5996-00-461-3416INTERCHANGEABLE
AMPLIFIER,AUDIO FREQUENCY
20035-1
5950-00-787-2747INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
875A210
5985-00-877-0280INTERCHANGEABLE
LINE SECTION,RADIO FREQUENCY TRA
200351
3010-00-962-1277INTERCHANGEABLE
GEARCASE-MOTOR
1767-053
5330-00-981-9532INTERCHANGEABLE
GASKET
33080
6520-01-045-0803INTERCHANGEABLE
PARTS KIT,DENTAL EQUIPMENT
33-0080-00
4510-01-061-8837INTERCHANGEABLE
HOLDER,TOILET PAPER ROLL
200351-5
4730-01-067-2570INTERCHANGEABLE
TEE,PIPE
4820-01-087-7066INTERCHANGEABLE
VALVE,PLUG
200351

Frequently Asked Questions

What is NSN 5310-01-503-8763?

NSN 5310-01-503-8763 is a Washer,flat, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-503-8763?

NSN 5310-01-503-8763 has 13 cross-referenced part numbers: 153661 (Fastenal Company), 8307106 (Jlg Industries, Inc.), 0153661 (Fastenal Company Dba Fastenal Co), 200351 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), 5310PL2128356 (Jednolity Indeks Materialowy - Uniform Material Index) and 8 more.

What NSN replaces 5310-01-503-8763?

There are 12 known substitutes for 5310-01-503-8763: 5905-00-279-2701, 2910-00-377-5546, 5998-00-400-3241 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0153661?

Key specifications for 0153661: Peripheral Shape Style: ROUND; Thickness: 0.160 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Hole Diameter: 0.344 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-503-8763 still in active supply?

NSN 5310-01-503-8763 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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