PartsTable
Technical Data Sheet
637590 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The CUP,HYDRAULIC BRAKE CYLINDER is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, cup_protector: NOT INCLUDED, base_thickness: 0.090 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN, overall_length: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN, mounting_method: FLAT SOLID BASE, size_designator: 1 IN. IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-103-0631, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
637590
NSN: 5310-00-103-0631
FSC: 5310
CAGE: 00088 — ROYAL OAK GAGE, INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
cup_protectorNOT INCLUDED
base_thickness0.090 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
overall_length0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
mounting_methodFLAT SOLID BASE
size_designator1 IN. IN
sealing_lip_length0.160 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
fsc_application_dataMASTER HYDRAULIC CYLINDER,MOTORIZED GRADER
base_outside_diameter0.970 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN
feathered_lip_featureNOT INCLUDED
base_inside_projectionNOT INCLUDED
largest_outside_diameter1.035 INCHES MINIMUM AND 1.055 INCHES MAXIMUM IN
NSN5310-00-103-0631
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 637590 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
THICKNESS: 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLE: ROUND
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL DIAMETER: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
MATERIAL: STEEL COMP 321 OVERALL
CENTER HOLE SHAPE STYLE: ROUND
HOLE DIAMETER: 0.315 INCHES MINIMUM AND 0.325 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL DIAMETER0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALSTEEL COMP 321 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.315 INCHES MINIMUM AND 0.325 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
850279Interchangeable
interchangeable cross-reference
interchangeable
FC2108Interchangeable
interchangeable cross-reference
interchangeable
4984152-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
Ready to buy 637590?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 637590?
637590 is a CUP,HYDRAULIC BRAKE CYLINDER.
What parts can replace 637590?
There are 3 known substitutes for 637590: 850279, FC2108, 4984152-1. Substitute compatibility should be verified for your specific system.
Is 637590 still available?
637590 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 637590