PartsTable
Technical Data Sheet
Download PDF

50909C7 — BOLT,INTERNAL WRENCHING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

50909C7: BOLT,INTERNAL WRENCHING.

The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: BEVEL-CONICAL, head_height: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.335 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN, thread_length: 0.535 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-558-3903, 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
50909C7
NSN: 5306-00-558-3903
FSC: 5306 — Bolts
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
head_styleBEVEL-CONICAL
head_height0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.335 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
thread_length0.535 INCHES MINIMUM IN
fastener_length0.625 INCHES NOMINAL IN
hardness_rating38.0 ROCKWELL C NOMINAL OVERALL
special_featuresCHROMATE FINISH MUST PRODUCE BLACK COLOR
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_across_flats0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
NSN5306-00-558-3903
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 50909C7 · 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
•
WIDTH ACROSS FLATS: 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.625 INCHES NOMINAL IN
•
THREAD LENGTH: 0.535 INCHES MINIMUM IN
•
HARDNESS RATING: 38.0 ROCKWELL C NOMINAL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: BEVEL-CONICAL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
HEAD HEIGHT0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
FASTENER LENGTH0.625 INCHES NOMINAL IN
THREAD LENGTH0.535 INCHES MINIMUM IN
HARDNESS RATING38.0 ROCKWELL C NOMINAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEBEVEL-CONICAL
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESCHROMATE FINISH MUST PRODUCE BLACK COLOR
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 3
965398-282Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VS1146-10BSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SC2805-1032-10PBSame 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
Ready to buy 50909C7?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 50909C7?
50909C7 is a BOLT,INTERNAL WRENCHING.
What parts can replace 50909C7?
There are 3 known substitutes for 50909C7: 965398-282, VS1146-10B, SC2805-1032-10PB. Substitute compatibility should be verified for your specific system.
What is the NSN for 50909C7?
50909C7 is cataloged in the U.S. Government catalog under NSN 5306-00-558-3903. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 50909C7

✓ 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.