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6776508 — PIN,SPRING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6776508: PIN,SPRING.

The PIN,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.258 INCHES MINIMUM AND 0.264 INCHES MAXIMUM IN, material: STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1090 OR STEEL COMP 1095 OVERALL, overall_length: 1.180 INCHES MINIMUM AND 1.220 INCHES MAXIMUM IN, hardness_rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SLOTTED, material_thickness: 0.048 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-451-1708, 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
6776508
NSN: 5315-00-451-1708
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
diameter0.258 INCHES MINIMUM AND 0.264 INCHES MAXIMUM IN
materialSTEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1090 OR STEEL COMP 1095 OVERALL
overall_length1.180 INCHES MINIMUM AND 1.220 INCHES MAXIMUM IN
hardness_rating46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSLOTTED
material_thickness0.048 INCHES NOMINAL IN
material_document_and_classificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5315-00-451-1708
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6776508 · 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: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: SLOTTED
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
•
DIAMETER: 0.258 INCHES MINIMUM AND 0.264 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.048 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1090 OR STEEL COMP 1095 OVERALL
TECHNICAL CHARACTERISTICS
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSLOTTED
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
DIAMETER0.258 INCHES MINIMUM AND 0.264 INCHES MAXIMUM IN
OVERALL LENGTH1.180 INCHES MINIMUM AND 1.220 INCHES MAXIMUM IN
MATERIAL THICKNESS0.048 INCHES NOMINAL IN
MATERIALSTEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1090 OR STEEL COMP 1095 OVERALL
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES 1
L31076Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6776508?
6776508 is a PIN,SPRING.
What parts can replace 6776508?
There is 1 known substitute for 6776508: L31076. Substitute compatibility should be verified for your specific system.
What is the NSN for 6776508?
6776508 is cataloged in the U.S. Government catalog under NSN 5315-00-451-1708. 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.