A51B40511-11 — BOLT,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

A51B40511-11: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.140 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.324 INCHES MINIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-005-0047, 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

A51B40511-11

NSN: 5306-00-005-0047
FSC: 5306 — Bolts
CAGE: 61174 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	HEXAGON
head_height	0.140 INCHES NOMINAL IN
thread_class	3A A
thread_length	0.324 INCHES MINIMUM IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	2.544 INCHES NOMINAL IN
shoulder_length	2.220 INCHES NOMINAL FIRST SHOULDER IN
thread_direction	RIGHT-HAND
shoulder_diameter	0.4350 INCHES MINIMUM AND 0.4356 INCHES MAXIMUM FIRST SHOULDER IN
width_between_flats	0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
nominal_thread_diameter	0.250 INCHES IN
NSN	5306-00-005-0047

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.140 INCHES NOMINAL IN

•

FASTENER LENGTH: 2.544 INCHES NOMINAL IN

•

SHOULDER LENGTH: 2.220 INCHES NOMINAL FIRST SHOULDER IN

•

SHOULDER DIAMETER: 0.4350 INCHES MINIMUM AND 0.4356 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.324 INCHES MINIMUM IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

SHANK UNTHREADED HOLE DIAMETER: 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: 4330 MOD COMP GM 1010 FSCM 26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.140 INCHES NOMINAL IN
FASTENER LENGTH	2.544 INCHES NOMINAL IN
SHOULDER LENGTH	2.220 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER	0.4350 INCHES MINIMUM AND 0.4356 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.324 INCHES MINIMUM IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATION	4330 MOD COMP GM 1010 FSCM 26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 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

A51B40511-13Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 A51B40511-11?

A51B40511-11 is a BOLT,SHOULDER.

What parts can replace A51B40511-11?

There is 1 known substitute for A51B40511-11: A51B40511-13. Substitute compatibility should be verified for your specific system.

What is the NSN for A51B40511-11?

A51B40511-11 is cataloged in the U.S. Government catalog under NSN 5306-00-005-0047. This indicates validated use in U.S. government and defense supply chains.

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