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X08031 ✓ 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 WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.683 INCHES NOMINAL IN, overall_height: 0.037 INCHES NOMINAL IN, outside_diameter: 1.083 INCHES NOMINAL IN, special_features: SR-5 THE MANUFACTURERS DATA MANUFACTURERS CODE 45153 DESIGN CONTROL REFERENCE 7199-1, style_designator: SPRING TENSION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-151-8969, 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
X08031
NSN: 5310-00-151-8969
FSC: 5310
CAGE: 0GY54 — BAUER SPRINGS, INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.683 INCHES NOMINAL IN
overall_height0.037 INCHES NOMINAL IN
outside_diameter1.083 INCHES NOMINAL IN
special_featuresSR-5 THE MANUFACTURERS DATA MANUFACTURERS CODE 45153 DESIGN CONTROL REFERENCE 7199-1
style_designatorSPRING TENSION
material_thickness0.015 INCHES NOMINAL IN
NSN5310-00-151-8969
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: X08031 · 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
•
STYLE DESIGNATOR: SPRING TENSION
•
MATERIAL: STEEL OVERALL
•
MATERIAL THICKNESS: 0.015 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.683 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.083 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSPRING TENSION
SPECIAL FEATURESSR-5 THE MANUFACTURERS DATA MANUFACTURERS CODE 45153 DESIGN CONTROL REFERENCE 7199-1
OVERALL HEIGHT0.037 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
MATERIAL THICKNESS0.015 INCHES NOMINAL IN
HOLE DIAMETER0.683 INCHES NOMINAL IN
OUTSIDE DIAMETER1.083 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
71991Interchangeable
interchangeable cross-reference
interchangeable
71991-00Interchangeable
interchangeable cross-reference
interchangeable
TE79Interchangeable
interchangeable cross-reference
interchangeable
BE79Interchangeable
interchangeable cross-reference
interchangeable
7199Interchangeable
interchangeable cross-reference
interchangeable
2723-23Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X08031?
X08031 is a WASHER,SPRING TENSION.
What parts can replace X08031?
There are 7 known substitutes for X08031: 71991, 71991-00, TE79 and 4 more. Substitute compatibility should be verified for your specific system.
Is X08031 still available?
X08031 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026