PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21657Washer,spring Tension

Industrial Technologies and Services Llc · NSN 5310-01-413-8996 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-413-8996 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-413-8996. Primary manufacturer part number: 21657.
Features
  • Washer,spring Tension — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Industrial Technologies and Services Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Mechanical energy storage
  • Vibration dampening
General Description

The Washer,spring Tension, cataloged under National Stock Number 5310-01-413-8996, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Industrial Technologies and Services Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,spring Tension
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersIndustrial Technologies and Services Llc (CAGE 76122)
Technical Specifications
ParameterValue
NSN5310-01-413-8996
Primary Part Number21657
Item NameWasher,spring Tension
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerIndustrial Technologies and Services Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5905-00-115-7216 INTERCHANGEABLE
Resistor,variable,wire Wound,non
2530-00-350-64925590650 INTERCHANGEABLE
Filter,fluid
U S Army Tank Automotive Command Amsta-Im-Mm
6685-00-488-5591 INTERCHANGEABLE
Thermometer,self-Indicating,bime
5330-00-997-1909 INTERCHANGEABLE
Packing,preformed
4730-01-036-9487 INTERCHANGEABLE
Adapter,straight,pipe to Boss
5310-01-327-906421657 INTERCHANGEABLE
Washer,spring Tension
Parker Hannifin Corporation Div Hydraulic Systems Division
5895-01-384-562321657 INTERCHANGEABLE
Modem,communications
Motorola/codex Corp Sub of Motorola Inc
4720-01-434-7947 INTERCHANGEABLE
Hose Assembly,nonmetallic
4140-01-545-680021657 INTERCHANGEABLE
Fan,circulating
Itw Gse Inc.
5963-01-652-9908 INTERCHANGEABLE
Electronic Module,standardized
Cross-Reference Index
Part NumberManufacturer
21657 PRIMARY Industrial Technologies and Services Llc (USA)
Related Parts
5905-00-115-7216INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
2530-00-350-6492INTERCHANGEABLE
FILTER,FLUID
5590650
6685-00-488-5591INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
5330-00-997-1909INTERCHANGEABLE
PACKING,PREFORMED
4730-01-036-9487INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO BOSS
5310-01-327-9064INTERCHANGEABLE
WASHER,SPRING TENSION
21657
5895-01-384-5623INTERCHANGEABLE
MODEM,COMMUNICATIONS
21657
4720-01-434-7947INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4140-01-545-6800INTERCHANGEABLE
FAN,CIRCULATING
21657
5963-01-652-9908INTERCHANGEABLE
ELECTRONIC MODULE,STANDARDIZED

Frequently Asked Questions

What is NSN 5310-01-413-8996?

NSN 5310-01-413-8996 is a Washer,spring Tension, manufactured by Industrial Technologies and Services Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-413-8996?

NSN 5310-01-413-8996 has 1 cross-referenced part number: 21657 (Industrial Technologies and Services Llc).

What NSN replaces 5310-01-413-8996?

There are 10 known substitutes for 5310-01-413-8996: 5905-00-115-7216, 2530-00-350-6492, 6685-00-488-5591 and 7 more. Verify interchangeability with system specifications before substitution.

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