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520231 — WASHER,SPRING TENSION

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

520231: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 631 OVERALL, hole_diameter: 0.115 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN, overall_height: 0.036 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN, outside_diameter: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, style_designator: SPRING TENSION, material_thickness: 0.013 INCHES MINIMUM AND 0.014 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-734-6696, 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
520231
NSN: 5306-00-734-6696
NIINs: 007346696, 011554380
FSC: 5306 — Bolts
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
materialSTEEL COMP 631 OVERALL
hole_diameter0.115 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
overall_height0.036 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
outside_diameter0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
style_designatorSPRING TENSION
material_thickness0.013 INCHES MINIMUM AND 0.014 INCHES MAXIMUM IN
material_document_and_classificationAMS 5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5306-00-734-6696
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 520231 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.220 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 8.250 INCHES MINIMUM IN
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
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MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.220 INCHES NOMINAL IN
FASTENER LENGTH1.000 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH8.250 INCHES MINIMUM IN
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 520231?
520231 is a WASHER,SPRING TENSION.
What is the NSN for 520231?
520231 is cataloged in the U.S. Government catalog under NSN 5306-00-734-6696. This indicates validated use in U.S. government and defense supply chains.
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