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B1821BH050C113L — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

B1821BH050C113L: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON OVERALL, head_style: HEXAGON, head_height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.891 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN, fastener_length: 1.063 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-196-0442, 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
B1821BH050C113L
NSN: 5306-01-196-0442
FSC: 5306 — Bolts
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
head_styleHEXAGON
head_height0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
thread_class2A A
thread_length0.891 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN
fastener_length1.063 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM FASTENER
locking_featurePATCH OR STRIP THREADS
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentZINC AND CHROMATE FASTENER
width_between_flats0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
NSN5306-01-196-0442
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: B1821BH050C113L · 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
•
HEAD HEIGHT: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.063 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.891 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM FASTENER
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J429,GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A354,GRADE BD ASSN STD SINGLE MATERIAL RESPONSE FASTENER
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
FASTENER LENGTH1.063 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
THREAD LENGTH0.891 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429,GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A354,GRADE BD ASSN STD SINGLE MATERIAL RESPONSE FASTENER
NOMINAL THREAD DIAMETER0.500 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
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
MS90728-110LReference document
Same NSN cross-reference
Reference document — Secondary reference
2GK356Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ASME B18.24Reference 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 B1821BH050C113L?
B1821BH050C113L is a BOLT,MACHINE.
What parts can replace B1821BH050C113L?
There are 3 known substitutes for B1821BH050C113L: MS90728-110L, 2GK356, ASME B18.24. Substitute compatibility should be verified for your specific system.
What is the NSN for B1821BH050C113L?
B1821BH050C113L is cataloged in the U.S. Government catalog under NSN 5306-01-196-0442. 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.