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0441B0133-2 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

0441B0133-2: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING FEATURE, head_style: HEXAGON, head_height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.971 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN, fastener_length: 1.125 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-352-3295, 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
0441B0133-2
NSN: 5306-01-352-3295
FSC: 5306 — Bolts
CAGE: 54497 — MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON LOCKING FEATURE
head_styleHEXAGON
head_height0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
thread_class2A A
thread_length0.971 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
fastener_length1.125 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
locking_featurePATCH OR STRIP OR PELLET THREADS
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.850 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch13
NSN5306-01-352-3295
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0441B0133-2 · 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
•
HEAD HEIGHT: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.125 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.971 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.850 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
FASTENER LENGTH1.125 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
THREAD LENGTH0.971 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.850 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
LOCKING FEATUREPATCH OR STRIP OR PELLET THREADS
THREAD CLASS2A A
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
P4ML813-20PReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 0441B0133-2?
0441B0133-2 is a BOLT,MACHINE.
What parts can replace 0441B0133-2?
There is 1 known substitute for 0441B0133-2: P4ML813-20P. Substitute compatibility should be verified for your specific system.
What is the NSN for 0441B0133-2?
0441B0133-2 is cataloged in the U.S. Government catalog under NSN 5306-01-352-3295. 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.