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313677R1 — STUD,SPRING GUIDE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

313677R1: STUD,SPRING GUIDE.

The STUD,SPRING GUIDE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL,2.600 IN. LG,0.150 IN.

H OF HEAD,0.438 IN. ACROSS HEX HEAD FLATS,0.068 IN. DIA HOLE ACROSS HEAD IN.

This part is cataloged in the U.S. Government catalog under NSN 5307-00-788-0988, 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
313677R1
NSN: 5307-00-788-0988
FSC: 5307 — Studs
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL,2.600 IN. LG,0.150 IN. H OF HEAD,0.438 IN. ACROSS HEX HEAD FLATS,0.068 IN. DIA HOLE ACROSS HEAD IN
NSN5307-00-788-0988
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 313677R1 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,2.600 IN. LG,0.150 IN. H OF HEAD,0.438 IN. ACROSS HEX HEAD FLATS,0.068 IN. DIA HOLE ACROSS HEAD IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,2.600 IN. LG,0.150 IN. H OF HEAD,0.438 IN. ACROSS HEX HEAD FLATS,0.068 IN. DIA HOLE ACROSS HEAD IN
SUBSTITUTES & CROSS-REFERENCES 3
662-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4051378Reference document
Same NSN cross-reference
Reference document — Secondary reference
6979Same 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 313677R1?
313677R1 is a STUD,SPRING GUIDE.
What parts can replace 313677R1?
There are 3 known substitutes for 313677R1: 662-5, 4051378, 6979. Substitute compatibility should be verified for your specific system.
What is the NSN for 313677R1?
313677R1 is cataloged in the U.S. Government catalog under NSN 5307-00-788-0988. 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.