20-057-6-27D — BOLT,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

20-057-6-27D: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.188 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.603 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-035-3136, 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

20-057-6-27D

NSN: 5306-01-035-3136
FSC: 5306 — Bolts
CAGE: 97499 — BELL TEXTRON INC (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	HEXAGON
head_height	0.188 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
thread_class	3A A
thread_length	0.603 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	2.251 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN
hardness_rating	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length	0.020 INCHES NOMINAL FIRST SHOULDER IN
thread_direction	RIGHT-HAND
shoulder_diameter	0.523 INCHES NOMINAL FIRST SHOULDER IN
surface_treatment	CADMIUM OVERALL
NSN	5306-01-035-3136

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.188 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN

•

FASTENER LENGTH: 2.251 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 0.020 INCHES NOMINAL FIRST SHOULDER IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

SHOULDER DIAMETER: 0.523 INCHES NOMINAL FIRST SHOULDER IN

•

THREAD LENGTH: 0.603 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.188 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
FASTENER LENGTH	2.251 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN
SHOULDER LENGTH	0.020 INCHES NOMINAL FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER	0.523 INCHES NOMINAL FIRST SHOULDER IN
THREAD LENGTH	0.603 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE IN
NOMINAL THREAD DIAMETER	0.375 INCHES 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

No substitute or cross-reference records for this part.

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 20-057-6-27D?

20-057-6-27D is a BOLT,SHOULDER.

What is the NSN for 20-057-6-27D?

20-057-6-27D is cataloged in the U.S. Government catalog under NSN 5306-01-035-3136. This indicates validated use in U.S. government and defense supply chains.

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20-057-6-27D — BOLT,SHOULDER

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