A51B21565-13 — BOLT,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

A51B21565-13: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP D6AC OVERALL, head_style: HEXAGON, head_height: 0.350 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-003-3863, 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

A51B21565-13

NSN: 5306-00-003-3863
FSC: 5306 — Bolts
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

material	STEEL COMP D6AC OVERALL
head_style	HEXAGON
head_height	0.350 INCHES NOMINAL IN
thread_class	3A A
thread_length	0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	4.500 INCHES NOMINAL IN
hardness_rating	46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length	3.890 INCHES MINIMUM AND 3.900 INCHES MAXIMUM FIRST SHOULDER IN
thread_direction	RIGHT-HAND
shoulder_diameter	0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatment	CADMIUM OVERALL
NSN	5306-00-003-3863

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.350 INCHES NOMINAL IN

•

FASTENER LENGTH: 4.500 INCHES NOMINAL IN

•

SHOULDER LENGTH: 3.890 INCHES MINIMUM AND 3.900 INCHES MAXIMUM FIRST SHOULDER IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-S-8837,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

SHOULDER DIAMETER: 0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.350 INCHES NOMINAL IN
FASTENER LENGTH	4.500 INCHES NOMINAL IN
SHOULDER LENGTH	3.890 INCHES MINIMUM AND 3.900 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-S-8837,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER	0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
HARDNESS RATING	46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER	0.101 INCHES MINIMUM AND 0.111 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-8649 MIL SPEC SINGLE MATERIAL RESPONSE 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 — stock exhausted; no further procurementNo demilitarization required

Ready to buy A51B21565-13?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is A51B21565-13?

A51B21565-13 is a BOLT,SHOULDER.

What is the NSN for A51B21565-13?

A51B21565-13 is cataloged in the U.S. Government catalog under NSN 5306-00-003-3863. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

A51B21565-13 — BOLT,SHOULDER

Request a Quote — A51B21565-13