PartsTable
Technical Data Sheet
Download PDF

497250-291 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

497250-291: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1074 OVERALL, hole_diameter: 3.370 INCHES NOMINAL IN, overall_height: 0.302 INCHES NOMINAL IN, outside_diameter: 4.300 INCHES NOMINAL IN, material_thickness: 0.045 INCHES NOMINAL IN, material_document_and_classification: MIL-S-17919 NUMBER 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-596-9524, 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
497250-291
NSN: 5310-00-596-9524
FSC: 5310 — Nuts and Washers
CAGE: 30086 — L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC. DBA SPD ELECTRICAL SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 1074 OVERALL
hole_diameter3.370 INCHES NOMINAL IN
overall_height0.302 INCHES NOMINAL IN
outside_diameter4.300 INCHES NOMINAL IN
material_thickness0.045 INCHES NOMINAL IN
material_document_and_classificationMIL-S-17919 NUMBER 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-596-9524
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 497250-291 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-17919 NUMBER 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 4.300 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.045 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1074 OVERALL
•
HOLE DIAMETER: 3.370 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.302 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-17919 NUMBER 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER4.300 INCHES NOMINAL IN
MATERIAL THICKNESS0.045 INCHES NOMINAL IN
MATERIALSTEEL COMP 1074 OVERALL
HOLE DIAMETER3.370 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
A-48900-GReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
110Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 497250-291?
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 497250-291?
497250-291 is a WASHER,SPRING TENSION.
What parts can replace 497250-291?
There are 2 known substitutes for 497250-291: A-48900-G, 110. Substitute compatibility should be verified for your specific system.
What is the NSN for 497250-291?
497250-291 is cataloged in the U.S. Government catalog under NSN 5310-00-596-9524. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 497250-291

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.