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2DD158 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2DD158: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include head_style: DISTORTED HEAD, head_height: 0.281 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.870 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN, fastener_length: 0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN, hardness_rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-210-3836, 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
2DD158
NSN: 5306-01-210-3836
FSC: 5306 — Bolts
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
head_styleDISTORTED HEAD
head_height0.281 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
thread_class2A A
thread_length0.870 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
fastener_length0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
locking_featureDISTORTIONS TOP OF HEAD
thread_directionRIGHT-HAND
width_between_flats0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
nominal_thread_diameter0.438 INCHES IN
minimum_tensile_strength150000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch20
NSN5306-01-210-3836
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2DD158 · 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: 0.281 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.870 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: GRADE 8 FED STD ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.438 INCHES IN
•
HEAD STYLE: DISTORTED HEAD
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.281 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
FASTENER LENGTH0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
THREAD LENGTH0.870 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONGRADE 8 FED STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.438 INCHES IN
HEAD STYLEDISTORTED HEAD
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
LOCKING FEATUREDISTORTIONS TOP OF 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 1
9409047Same 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
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FREQUENTLY ASKED QUESTIONS
What is 2DD158?
2DD158 is a BOLT,MACHINE.
What parts can replace 2DD158?
There is 1 known substitute for 2DD158: 9409047. Substitute compatibility should be verified for your specific system.
What is the NSN for 2DD158?
2DD158 is cataloged in the U.S. Government catalog under NSN 5306-01-210-3836. 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.