B55221 — ROD,THREADED END

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

B55221: ROD,THREADED END.

The ROD,THREADED END is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 3A NUT THREAD A A, thread_length: 1.250 INCHES MINIMUM AND 3.500 INCHES MAXIMUM NUT THREAD A IN, overall_length: 17.625 INCHES NOMINAL IN, special_features: SMALL END HAS 0.625 IN. BY 0.500 IN.

FLATS 2.312 IN. FROM END IN, thread_direction: RIGHT-HAND NUT THREAD A. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-082-6715, 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

B55221

NSN: 5306-00-082-6715
FSC: 5306 — Bolts
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)

SPECIFICATIONS

material	STEEL
thread_class	3A NUT THREAD A A
thread_length	1.250 INCHES MINIMUM AND 3.500 INCHES MAXIMUM NUT THREAD A IN
overall_length	17.625 INCHES NOMINAL IN
special_features	SMALL END HAS 0.625 IN. BY 0.500 IN. FLATS 2.312 IN. FROM END IN
thread_direction	RIGHT-HAND NUT THREAD A
nominal_thread_size	0.750 INCHES NUT THREAD A IN
thread_quantity_per_inch	10 NUT THREAD A
thread_series_designator	UNIFIED NATIONAL COARSE (UNC) NUT THREAD A
NSN	5306-00-082-6715

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD LENGTH: 1.250 INCHES MINIMUM AND 3.500 INCHES MAXIMUM NUT THREAD A IN

•

THREAD DIRECTION: RIGHT-HAND NUT THREAD A

•

NOMINAL THREAD SIZE: 0.750 INCHES NUT THREAD A IN

•

THREAD CLASS: 3A NUT THREAD A A

•

THREAD QUANTITY PER INCH: 10 NUT THREAD A

•

MATERIAL: STEEL

TECHNICAL CHARACTERISTICS

THREAD LENGTH	1.250 INCHES MINIMUM AND 3.500 INCHES MAXIMUM NUT THREAD A IN
OVERALL LENGTH	17.625 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND NUT THREAD A
NOMINAL THREAD SIZE	0.750 INCHES NUT THREAD A IN
SPECIAL FEATURES	SMALL END HAS 0.625 IN. BY 0.500 IN. FLATS 2.312 IN. FROM END IN
THREAD CLASS	3A NUT THREAD A A
THREAD QUANTITY PER INCH	10 NUT THREAD A
MATERIAL	STEEL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC) NUT THREAD A

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

M-159VReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 B55221?

B55221 is a ROD,THREADED END.

What parts can replace B55221?

There is 1 known substitute for B55221: M-159V. Substitute compatibility should be verified for your specific system.

What is the NSN for B55221?

B55221 is cataloged in the U.S. Government catalog under NSN 5306-00-082-6715. This indicates validated use in U.S. government and defense supply chains.

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