A51B25565-11 — BOLT,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

A51B25565-11: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 0.500 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-003-9045, 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

A51B25565-11

NSN: 5306-00-003-9045
FSC: 5306 — Bolts
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

material	STEEL COMP 4340 OVERALL
head_style	HEXAGON EXTENDED WASHER
head_height	0.500 INCHES NOMINAL IN
thread_class	3A A
thread_length	0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	1.840 INCHES MINIMUM AND 1.850 INCHES MAXIMUM IN
hardness_rating	33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length	1.040 INCHES MINIMUM AND 1.050 INCHES MAXIMUM FIRST SHOULDER IN
thread_direction	RIGHT-HAND
shoulder_diameter	0.8720 INCHES MINIMUM AND 0.8726 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatment	CADMIUM OVERALL
NSN	5306-00-003-9045

COMPONENT DIAGRAM

KEY FEATURES

•

EXTENDED WASHER THICKNESS: 0.200 INCHES NOMINAL IN

•

HEAD HEIGHT: 0.500 INCHES NOMINAL IN

•

FASTENER LENGTH: 1.840 INCHES MINIMUM AND 1.850 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 1.040 INCHES MINIMUM AND 1.050 INCHES MAXIMUM FIRST SHOULDER IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

EXTENDED WASHER DIAMETER: 1.440 INCHES NOMINAL IN

•

SHOULDER DIAMETER: 0.8720 INCHES MINIMUM AND 0.8726 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

EXTENDED WASHER THICKNESS	0.200 INCHES NOMINAL IN
HEAD HEIGHT	0.500 INCHES NOMINAL IN
FASTENER LENGTH	1.840 INCHES MINIMUM AND 1.850 INCHES MAXIMUM IN
SHOULDER LENGTH	1.040 INCHES MINIMUM AND 1.050 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER	1.440 INCHES NOMINAL IN
SHOULDER DIAMETER	0.8720 INCHES MINIMUM AND 0.8726 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
HARDNESS RATING	33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL

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

No substitute or cross-reference records for this part.

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 A51B25565-11?

A51B25565-11 is a BOLT,SHOULDER.

What is the NSN for A51B25565-11?

A51B25565-11 is cataloged in the U.S. Government catalog under NSN 5306-00-003-9045. This indicates validated use in U.S. government and defense supply chains.

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