PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4317Washer,lock

Fwd Seagrave Holdings Lp · NSN 5310-01-524-7450 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-524-7450 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-524-7450. Primary manufacturer part number: 4317.
Features
  • Washer,lock — FSC 5310
  • Hole Diameter: 0.894 INCHES NOMINAL IN
  • Material Thickness: 0.219 INCHES MINIMUM IN
  • Color: YELLOW SEALING ELEMENT
  • Outside Diameter: 1.459 INCHES NOMINAL IN
  • Hardness Rating: 38.0 ROCKWELL C NOMINAL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material: STEEL COMP 4037 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4037 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-524-7450, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fwd Seagrave Holdings Lp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5310-01-524-7450
Primary Part Number4317
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFwd Seagrave Holdings Lp
StatusCANCELLED
Hole Diameter0.894 INCHES NOMINAL IN
Material Thickness0.219 INCHES MINIMUM IN
ColorYELLOW SEALING ELEMENT
Outside Diameter1.459 INCHES NOMINAL IN
Hardness Rating38.0 ROCKWELL C NOMINAL
Style DesignatorSPLIT HELICAL-RIGHT HAND
MaterialSTEEL COMP 4037 OVERALL
Surface TreatmentZINC AND CHROMATE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4720-00-105-227927511 INTERCHANGEABLE
Hose Assembly,nonmetallic
Gates Corporation
9330-00-136-9205 INTERCHANGEABLE
Plastic Strip,pressure Sensitive
5330-00-173-23584004317-6 INTERCHANGEABLE
Gasket
Agco Corp Parts Opn
5360-00-256-7147PM117 INTERCHANGEABLE
Spring,helical,compression
Wisconsin Motors, Llc
2040-00-393-3850 INTERCHANGEABLE
Strainer,intake
5310-00-447-82714317 INTERCHANGEABLE
Washer,inner,saw Sh
Skil Corp
5910-00-914-15077106A1 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Cornell-Dubilier Marketing Inc
5305-01-079-30554317 INTERCHANGEABLE
Screw,shoulder
Roller Bearing Co of America, Inc Div Pic Design
5305-01-171-0151 INTERCHANGEABLE
Screw,externally Relieved Body
6640-01-172-28324317 INTERCHANGEABLE
Filter Unit,microporous
Gelman Sciences Inc
Cross-Reference Index
Part NumberManufacturer
4317 PRIMARY Fwd Seagrave Holdings Lp (USA)
91104A048 Mcmaster-Carr Supply Co (USA)
Related Parts
4720-00-105-2279INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
27511
9330-00-136-9205INTERCHANGEABLE
PLASTIC STRIP,PRESSURE SENSITIVE
5330-00-173-2358INTERCHANGEABLE
GASKET
4004317-6
5360-00-256-7147INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
PM117
2040-00-393-3850INTERCHANGEABLE
STRAINER,INTAKE
5310-00-447-8271INTERCHANGEABLE
WASHER,INNER,SAW SH
4317
5910-00-914-1507INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
7106A1
5305-01-079-3055INTERCHANGEABLE
SCREW,SHOULDER
4317
5305-01-171-0151INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
6640-01-172-2832INTERCHANGEABLE
FILTER UNIT,MICROPOROUS
4317
5360-01-396-3939INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
4317
2805-01-618-3568INTERCHANGEABLE
PLATE ASSEMBLY,THRUST
4-317

Frequently Asked Questions

What is NSN 5310-01-524-7450?

NSN 5310-01-524-7450 is a Washer,lock, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-524-7450?

NSN 5310-01-524-7450 has 2 cross-referenced part numbers: 4317 (Fwd Seagrave Holdings Lp), 91104A048 (Mcmaster-Carr Supply Co).

What NSN replaces 5310-01-524-7450?

There are 12 known substitutes for 5310-01-524-7450: 4720-00-105-2279, 9330-00-136-9205, 5330-00-173-2358 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4317?

Key specifications for 4317: Hole Diameter: 0.894 INCHES NOMINAL IN; Material Thickness: 0.219 INCHES MINIMUM IN; Color: YELLOW SEALING ELEMENT; Outside Diameter: 1.459 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-524-7450 still in active supply?

NSN 5310-01-524-7450 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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