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VS3207-4-2 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

VS3207-4-2: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY UNS R56400 OVERALL, head_style: HEXAGONHEXAGON, head_height: 0.125 INCHES MINIMUM AND 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM0.140 INCHES MAXIMUM IN, thread_class: 3A3A, thread_length: 0.400 INCHES MINIMUM AND 0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM0.450 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES GRIP63.0 MICROINCHES GRIP. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-138-7722, 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
VS3207-4-2
NSN: 5306-01-138-7722
FSC: 5306 — Bolts
CAGE: 92215 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS (USA)
SPECIFICATIONS
materialTITANIUM ALLOY UNS R56400 OVERALL
head_styleHEXAGONHEXAGON
head_height0.125 INCHES MINIMUM AND 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM0.140 INCHES MAXIMUM IN
thread_class3A3A
thread_length0.400 INCHES MINIMUM AND 0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM0.450 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES GRIP63.0 MICROINCHES GRIP
fastener_length0.535 INCHES MINIMUM AND 0.535 INCHES MINIMUM AND 0.565 INCHES MAXIMUM0.565 INCHES MAXIMUM IN
thread_directionRIGHT-HANDRIGHT-HAND
features_providedFINISHED HEADFINISHED HEAD
surface_treatmentALUMINUM AND ALUMINUM AND CHROMATE OVERALLCHROMATE OVERALL
width_between_flats0.430 INCHES MINIMUM AND 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM0.439 INCHES MAXIMUM IN
nominal_thread_diameter0.250 INCHES0.250 INCHES IN
NSN5306-01-138-7722
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: VS3207-4-2 · 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
•
SURFACE FINISH: 16.0 MICROINCHES THREADS16.0 MICROINCHES THREADS
•
HEAD HEIGHT: 0.125 INCHES MINIMUM AND 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM0.140 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.535 INCHES MINIMUM AND 0.535 INCHES MINIMUM AND 0.565 INCHES MAXIMUM0.565 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-83488,TY 2,CL 3 MIL SPEC ALL TREATMENT RESPONSES OVERALLMIL-C-83488,TY 2,CL 3 MIL SPEC ALL TREATMENT RESPONSES OVERALL
•
THREAD LENGTH: 0.400 INCHES MINIMUM AND 0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM0.450 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH16.0 MICROINCHES THREADS16.0 MICROINCHES THREADS
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH63.0 MICROINCHES GRIP63.0 MICROINCHES GRIP
HEAD HEIGHT0.125 INCHES MINIMUM AND 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM0.140 INCHES MAXIMUM IN
FASTENER LENGTH0.535 INCHES MINIMUM AND 0.535 INCHES MINIMUM AND 0.565 INCHES MAXIMUM0.565 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-83488,TY 2,CL 3 MIL SPEC ALL TREATMENT RESPONSES OVERALLMIL-C-83488,TY 2,CL 3 MIL SPEC ALL TREATMENT RESPONSES OVERALL
THREAD LENGTH0.400 INCHES MINIMUM AND 0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM0.450 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES0.250 INCHES IN
FEATURES PROVIDEDFINISHED HEADFINISHED HEAD
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 7
SC2663-4-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
111364-4-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MB251-4-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ST3M731-4-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
801651-4-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
PBF1264-4-2Reference 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 VS3207-4-2?
VS3207-4-2 is a BOLT,MACHINE.
What parts can replace VS3207-4-2?
There are 7 known substitutes for VS3207-4-2: SC2663-4-2, 111364-4-2, MB251-4-2 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for VS3207-4-2?
VS3207-4-2 is cataloged in the U.S. Government catalog under NSN 5306-01-138-7722. 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.