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Technical Data Sheet
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L34976P305 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

L34976P305: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.469 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, fastener_length: 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, hardness_rating: 80.0 ROCKWELL B MINIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-117-4186, 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
L34976P305
NSN: 5306-01-117-4186
FSC: 5306 — Bolts
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
thread_class2A A
thread_length0.469 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
fastener_length0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
hardness_rating80.0 ROCKWELL B MINIMUM OVERALL
locking_featurePATCH OR STRIP THREADS
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentPASSIVATE OVERALL
width_between_flats0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
nominal_thread_diameter0.250 INCHES IN
NSN5306-01-117-4186
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: L34976P305 · 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: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.469 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
HARDNESS RATING: 80.0 ROCKWELL B MINIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
FASTENER LENGTH0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.469 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
HARDNESS RATING80.0 ROCKWELL B MINIMUM OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.438 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 4
L34976P005Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
5306PL0639344Reference document
Same NSN cross-reference
Reference document — Informative reference only
T1227-P005Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2630360-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 L34976P305?
L34976P305 is a BOLT,MACHINE.
What parts can replace L34976P305?
There are 4 known substitutes for L34976P305: L34976P005, 5306PL0639344, T1227-P005 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for L34976P305?
L34976P305 is cataloged in the U.S. Government catalog under NSN 5306-01-117-4186. 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.