FR25087-3 — BOLT,RIBBED SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

FR25087-3: BOLT,RIBBED SHOULDER.

The BOLT,RIBBED SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, rib_length: 0.500 INCHES NOMINAL IN, head_height: 0.320 INCHES NOMINAL IN, rib_quantity: 50, head_diameter: 1.380 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-974-9533, 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

FR25087-3

NSN: 5306-00-974-9533
FSC: 5306 — Bolts
CAGE: 18990 — EAGLE CRUSHER CO INC DBA STEDMAN MACHINE CO (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	FLAT CHAMFER
rib_length	0.500 INCHES NOMINAL IN
head_height	0.320 INCHES NOMINAL IN
rib_quantity	50
head_diameter	1.380 INCHES NOMINAL IN
thread_length	1.560 INCHES NOMINAL IN
shoulder_shape	ROUND ALL SHOULDERS
fastener_length	3.680 INCHES NOMINAL IN
shoulder_length	0.750 INCHES NOMINAL FIRST SHOULDER IN
thread_direction	LEFT-HAND
shoulder_diameter	1.020 INCHES MINIMUM AND 1.025 INCHES MAXIMUM FIRST SHOULDER IN
NSN	5306-00-974-9533

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.320 INCHES NOMINAL IN

•

FASTENER LENGTH: 3.680 INCHES NOMINAL IN

•

SHOULDER LENGTH: 0.750 INCHES NOMINAL FIRST SHOULDER IN

•

DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS: 0.750 INCHES NOMINAL IN

•

SHOULDER DIAMETER: 1.020 INCHES MINIMUM AND 1.025 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 1.560 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.320 INCHES NOMINAL IN
FASTENER LENGTH	3.680 INCHES NOMINAL IN
SHOULDER LENGTH	0.750 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER LENGTH	0.500 INCHES NOMINAL SECOND SHOULDER IN
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS	0.750 INCHES NOMINAL IN
SHOULDER DIAMETER	1.020 INCHES MINIMUM AND 1.025 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER DIAMETER	1.037 INCHES MINIMUM AND 1.047 INCHES MAXIMUM SECOND SHOULDER IN
THREAD LENGTH	1.560 INCHES NOMINAL IN
SHOULDER SHAPE	ROUND ALL SHOULDERS
RIB LENGTH	0.500 INCHES NOMINAL 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 1

20X863Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is FR25087-3?

FR25087-3 is a BOLT,RIBBED SHOULDER.

What parts can replace FR25087-3?

There is 1 known substitute for FR25087-3: 20X863. Substitute compatibility should be verified for your specific system.

What is the NSN for FR25087-3?

FR25087-3 is cataloged in the U.S. Government catalog under NSN 5306-00-974-9533. This indicates validated use in U.S. government and defense supply chains.

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FR25087-3 — BOLT,RIBBED SHOULDER

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