PartsTable
Technical Data Sheet
Download PDF

500975 — WASHER,SPRING TENSION

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

500975: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL, head_style: HEXAGON, head_height: 0.300 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 1.140 INCHES MINIMUM IN, fastener_length: 5.300 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-476-2834, 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
500975
NSN: 5306-00-476-2834
NIINs: 004762834, 010826007
FSC: 5306 — Bolts
CAGE: 16461 — G AND R METAL FINISHING CO INC (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
head_styleHEXAGON
head_height0.300 INCHES NOMINAL IN
thread_class3A A
thread_length1.140 INCHES MINIMUM IN
fastener_length5.300 INCHES NOMINAL IN
shoulder_length4.065 INCHES MINIMUM AND 4.070 INCHES MAXIMUM IN
style_designatorCOUNTERBORE UNTHREADED
thread_directionRIGHT-HAND
shoulder_diameter1.123 INCHES MINIMUM AND 1.124 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
width_between_flats1.650 INCHES NOMINAL IN
NSN5306-00-476-2834
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 500975 · 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: 0.300 INCHES NOMINAL IN
•
FASTENER LENGTH: 5.300 INCHES NOMINAL IN
•
CONCENTRIC HOLE DEPTH: 3.750 INCHES NOMINAL IN
•
THREAD LENGTH: 1.140 INCHES MINIMUM IN
•
SHANK UNTHREADED HOLE DIAMETER: 0.141 INCHES NOMINAL FIRST HOLE IN
•
STYLE DESIGNATOR: COUNTERBORE UNTHREADED
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.300 INCHES NOMINAL IN
FASTENER LENGTH5.300 INCHES NOMINAL IN
CONCENTRIC HOLE DEPTH3.750 INCHES NOMINAL IN
THREAD LENGTH1.140 INCHES MINIMUM IN
SHANK UNTHREADED HOLE DIAMETER0.141 INCHES NOMINAL FIRST HOLE IN
STYLE DESIGNATORCOUNTERBORE UNTHREADED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES IN
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
Ready to buy 500975?
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 500975?
500975 is a WASHER,SPRING TENSION.
What is the NSN for 500975?
500975 is cataloged in the U.S. Government catalog under NSN 5306-00-476-2834. 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 — 500975

✓ 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.