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Technical Data Sheet
PartsTable / COMPONENT / B159954
B159954 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OVERALL, head_style: HEXAGON, head_height: 0.500 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 1.315 INCHES MINIMUM AND 1.455 INCHES MAXIMUM IN, fastener_length: 3.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-206-1383, 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
B159954
NSN: 5306-00-206-1383
FSC: 5306
CAGE: 00000
SPECIFICATIONS
materialSTEEL COMP 8740 OVERALL
head_styleHEXAGON
head_height0.500 INCHES NOMINAL IN
thread_class3A A
thread_length1.315 INCHES MINIMUM AND 1.455 INCHES MAXIMUM IN
fastener_length3.125 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
style_designatorCONCENTRIC HOLE UNTHREADED
thread_directionRIGHT-HAND
width_between_flats1.368 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
concentric_hole_depth1.875 INCHES NOMINAL IN
nominal_thread_diameter1.000 INCHES IN
NSN5306-00-206-1383
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: B159954 · 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: 1.315 INCHES MINIMUM AND 1.455 INCHES MAXIMUM IN
•
FASTENER LENGTH: 3.125 INCHES NOMINAL IN
•
HEAD STYLE: HEXAGON
•
THREAD QUANTITY PER INCH: 14
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD SERIES DESIGNATOR: UNS
•
CONCENTRIC HOLE DIAMETER: 0.438 INCHES NOMINAL IN
•
CONCENTRIC HOLE DEPTH: 1.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH1.315 INCHES MINIMUM AND 1.455 INCHES MAXIMUM IN
FASTENER LENGTH3.125 INCHES NOMINAL IN
HEAD STYLEHEXAGON
THREAD QUANTITY PER INCH14
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD SERIES DESIGNATORUNS
CONCENTRIC HOLE DIAMETER0.438 INCHES NOMINAL IN
CONCENTRIC HOLE DEPTH1.875 INCHES NOMINAL IN
HEAD HEIGHT0.500 INCHES NOMINAL IN
WIDTH BETWEEN FLATS1.368 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
2-1412Interchangeable
interchangeable cross-reference
interchangeable
02-1412-20Interchangeable
interchangeable cross-reference
interchangeable
FDE474 PAGE 4 ITEM 6Interchangeable
interchangeable cross-reference
interchangeable
AN737TW44-48Interchangeable
interchangeable cross-reference
interchangeable
HK9C24-44/48Interchangeable
interchangeable cross-reference
interchangeable
45D13-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B159954?
B159954 is a BOLT,INTERNALLY RELIEVED BODY.
What parts can replace B159954?
There are 16 known substitutes for B159954: 2-1412, 02-1412-20, FDE474 PAGE 4 ITEM 6 and 13 more. Substitute compatibility should be verified for your specific system.
Is B159954 still available?
B159954 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026