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2HG691 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2HG691: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 3A NUT THREAD A, thread_length: 0.620 INCHES NOMINAL STUD THREAD IN, overall_length: 9.350 INCHES MINIMUM AND 9.370 INCHES MAXIMUM IN, special_features: 120,000 PSI MIN TS, thread_direction: RIGHT-HAND NUT THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-352-3423, 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
2HG691
NSN: 5307-01-352-3423
FSC: 5307 — Studs
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
materialSTEEL
thread_class3A NUT THREAD A
thread_length0.620 INCHES NOMINAL STUD THREAD IN
overall_length9.350 INCHES MINIMUM AND 9.370 INCHES MAXIMUM IN
special_features120,000 PSI MIN TS
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.312 INCHES NUT THREAD IN
thread_quantity_per_inch18 STUD THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
material_document_and_classificationSAE J429 GR5 ASSN STD SINGLE MATERIAL RESPONSE
NSN5307-01-352-3423
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2HG691 · 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
•
THREAD LENGTH: 0.620 INCHES NOMINAL NUT THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J429 GR5 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.312 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.620 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH0.620 INCHES NOMINAL STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 GR5 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH9.350 INCHES MINIMUM AND 9.370 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.312 INCHES NUT THREAD IN
NOMINAL THREAD SIZE0.312 INCHES STUD THREAD IN
SPECIAL FEATURES120,000 PSI MIN TS
THREAD CLASS3A NUT THREAD A
SUBSTITUTES & CROSS-REFERENCES 1
25013-04Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2HG691?
2HG691 is a STUD,PLAIN.
What parts can replace 2HG691?
There is 1 known substitute for 2HG691: 25013-04. Substitute compatibility should be verified for your specific system.
What is the NSN for 2HG691?
2HG691 is cataloged in the U.S. Government catalog under NSN 5307-01-352-3423. 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.