PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21657Washer,spring Tension

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 5310-01-327-9064 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-327-9064 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-327-9064. Primary manufacturer part number: 21657.
Features
  • Washer,spring Tension — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Parker Hannifin Corporation Div Hydraulic Systems Division
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 5310-01-327-9064, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. 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)
ManufacturersParker Hannifin Corporation Div Hydraulic Systems Division (CAGE 93835)
Technical Specifications
ParameterValue
NSN5310-01-327-9064
Primary Part Number21657
Item NameWasher,spring Tension
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
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
5895-01-384-562321657 INTERCHANGEABLE
Modem,communications
Motorola/codex Corp Sub of Motorola Inc
5310-01-413-899621657 INTERCHANGEABLE
Washer,spring Tension
Industrial Technologies and Services Llc
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 Parker Hannifin Corporation Div Hydraulic Systems Division (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
5895-01-384-5623INTERCHANGEABLE
MODEM,COMMUNICATIONS
21657
5310-01-413-8996INTERCHANGEABLE
WASHER,SPRING TENSION
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 5310-01-327-9064?

NSN 5310-01-327-9064 is a Washer,spring Tension, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-327-9064?

NSN 5310-01-327-9064 has 1 cross-referenced part number: 21657 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 5310-01-327-9064?

There are 10 known substitutes for 5310-01-327-9064: 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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