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4035878 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4035878: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, hole_diameter: 6.920 INCHES MINIMUM AND 6.925 INCHES MAXIMUM IN, overall_height: 0.040 INCHES NOMINAL IN, hardness_rating: 36.0 ROCKWELL C MINIMUM, outside_diameter: 7.062 INCHES NOMINAL IN, style_designator: SPRING TENSION. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-572-1024, 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
4035878
NSN: 5310-00-572-1024
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
hole_diameter6.920 INCHES MINIMUM AND 6.925 INCHES MAXIMUM IN
overall_height0.040 INCHES NOMINAL IN
hardness_rating36.0 ROCKWELL C MINIMUM
outside_diameter7.062 INCHES NOMINAL IN
style_designatorSPRING TENSION
material_thickness0.016 INCHES NOMINAL IN
material_document_and_classificationAMS 5596 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-572-1024
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4035878 · 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
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM
•
STYLE DESIGNATOR: SPRING TENSION
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5596 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 7.062 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.016 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY 718 OVERALL
•
HOLE DIAMETER: 6.920 INCHES MINIMUM AND 6.925 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.040 INCHES NOMINAL IN
HARDNESS RATING36.0 ROCKWELL C MINIMUM
STYLE DESIGNATORSPRING TENSION
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5596 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER7.062 INCHES NOMINAL IN
MATERIAL THICKNESS0.016 INCHES NOMINAL IN
MATERIALNICKEL ALLOY 718 OVERALL
HOLE DIAMETER6.920 INCHES MINIMUM AND 6.925 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
5310PL0724741Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4035878?
4035878 is a WASHER,SPRING TENSION.
What parts can replace 4035878?
There is 1 known substitute for 4035878: 5310PL0724741. Substitute compatibility should be verified for your specific system.
What is the NSN for 4035878?
4035878 is cataloged in the U.S. Government catalog under NSN 5310-00-572-1024. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.