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653A708-1 — STUD,SHOULDERED AND STEPPED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

653A708-1: STUD,SHOULDERED AND STEPPED.

The STUD,SHOULDERED AND STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1211, thread_class: 3A STUD THREAD A, thread_length: 0.3125 INCHES NOMINAL STUD THREAD IN, overall_length: 1.469 INCHES NOMINAL IN, shoulder_length: 0.438 INCHES NOMINAL IN, style_designator: SHOULDERED AND STEPPED. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-173-7848, 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
653A708-1
NSN: 5307-01-173-7848
FSC: 5307 — Studs
CAGE: 8FGX3 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL COMP 1211
thread_class3A STUD THREAD A
thread_length0.3125 INCHES NOMINAL STUD THREAD IN
overall_length1.469 INCHES NOMINAL IN
shoulder_length0.438 INCHES NOMINAL IN
style_designatorSHOULDERED AND STEPPED
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.250 INCHES STUD THREAD IN
nut_end_shank_length0.312 INCHES NOMINAL IN
distance_across_flats0.375 INCHES NOMINAL IN
nut_end_shank_diameter0.2485 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN
thread_quantity_per_inch32 NUT THREAD
NSN5307-01-173-7848
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 653A708-1 · 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
•
NUT END SHANK DIAMETER: 0.2485 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.2812 INCHES NOMINAL NUT THREAD IN
•
STYLE DESIGNATOR: SHOULDERED AND STEPPED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OR B4B1 FSCM 01289 MFR REF SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
NUT END SHANK DIAMETER0.2485 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN
THREAD LENGTH0.2812 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH0.3125 INCHES NOMINAL STUD THREAD IN
STYLE DESIGNATORSHOULDERED AND STEPPED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OR B4B1 FSCM 01289 MFR REF SINGLE MATERIAL RESPONSE
OVERALL LENGTH1.469 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.250 INCHES STUD THREAD IN
NOMINAL THREAD SIZE0.190 INCHES NUT THREAD IN
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
SUBSTITUTES & CROSS-REFERENCES 3
653A708-001Reference document
Same NSN cross-reference
Reference document — Secondary reference
653A708Reference document
Same NSN cross-reference
Reference document — Secondary reference
653A708 PIECE 1Reference 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 653A708-1?
653A708-1 is a STUD,SHOULDERED AND STEPPED.
What parts can replace 653A708-1?
There are 3 known substitutes for 653A708-1: 653A708-001, 653A708, 653A708 PIECE 1. Substitute compatibility should be verified for your specific system.
What is the NSN for 653A708-1?
653A708-1 is cataloged in the U.S. Government catalog under NSN 5307-01-173-7848. 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.