A51C43506 — BOLT,INTERNALLY RELIEVED BODY

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

A51C43506: BOLT,INTERNALLY RELIEVED BODY.

The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 OVERALL, head_style: HEXAGON, head_height: 0.140 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.388 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN, fastener_length: 3.054 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-006-4597, 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

A51C43506

NSN: 5306-00-006-4597
FSC: 5306 — Bolts
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

material	STEEL COMP 410 OVERALL
head_style	HEXAGON
head_height	0.140 INCHES NOMINAL IN
thread_class	3A A
thread_length	0.388 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
fastener_length	3.054 INCHES NOMINAL IN
hardness_rating	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length	2.675 INCHES MINIMUM AND 2.685 INCHES MAXIMUM IN
style_designator	CONCENTRIC HOLE UNTHREADED
thread_direction	RIGHT-HAND
shoulder_diameter	0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
surface_treatment	PASSIVATE OVERALL
NSN	5306-00-006-4597

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.140 INCHES NOMINAL IN

•

FASTENER LENGTH: 3.054 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

CONCENTRIC HOLE DEPTH: 2.500 INCHES NOMINAL IN

•

THREAD LENGTH: 0.388 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN

•

HARDNESS RATING: 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL

•

SHANK UNTHREADED HOLE DIAMETER: 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE IN

•

STYLE DESIGNATOR: CONCENTRIC HOLE UNTHREADED

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.140 INCHES NOMINAL IN
FASTENER LENGTH	3.054 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CONCENTRIC HOLE DEPTH	2.500 INCHES NOMINAL IN
THREAD LENGTH	0.388 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE IN
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
NOMINAL THREAD DIAMETER	0.500 INCHES IN
HEAD STYLE	HEXAGON

OTHER ITEMS IN FSC 5306 — Bolts

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459

SUBSTITUTES & CROSS-REFERENCES 1

A51C43506-13Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is A51C43506?

A51C43506 is a BOLT,INTERNALLY RELIEVED BODY.

What parts can replace A51C43506?

There is 1 known substitute for A51C43506: A51C43506-13. Substitute compatibility should be verified for your specific system.

What is the NSN for A51C43506?

A51C43506 is cataloged in the U.S. Government catalog under NSN 5306-00-006-4597. This indicates validated use in U.S. government and defense supply chains.

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