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Technical Data Sheet
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L34973P238 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

L34973P238: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: HEXAGON, head_height: 0.591 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 2.500 INCHES NOMINAL IN, fastener_length: 3.812 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-381-9788, 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
L34973P238
NSN: 5306-01-381-9788
FSC: 5306 — Bolts
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
head_styleHEXAGON
head_height0.591 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
thread_class2A A
thread_length2.500 INCHES NOMINAL IN
fastener_length3.812 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_between_flats1.469 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
nominal_thread_diameter1.000 INCHES IN
thread_quantity_per_inch8
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_document_and_classificationAMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5306-01-381-9788
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: L34973P238 · 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: 0.591 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
•
FASTENER LENGTH: 3.812 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN
•
THREAD LENGTH: 2.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 1.000 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 1.469 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.591 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
FASTENER LENGTH3.812 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN
THREAD LENGTH2.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER1.000 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS1.469 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
THREAD CLASS2A A
THREAD QUANTITY PER INCH8
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
5306PL0639852Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 L34973P238?
L34973P238 is a BOLT,MACHINE.
What parts can replace L34973P238?
There is 1 known substitute for L34973P238: 5306PL0639852. Substitute compatibility should be verified for your specific system.
What is the NSN for L34973P238?
L34973P238 is cataloged in the U.S. Government catalog under NSN 5306-01-381-9788. 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.