B2138A — STUD,PLAIN

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

B2138A: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8640H, thread_class: 2A NUT THREAD A, thread_length: 0.625 INCHES MINIMUM STUD THREAD IN, overall_length: 5.688 INCHES NOMINAL IN, special_features: STUD END CHAMFERED 0.062 IN. BY 45.0 DEG,NUT END ROUNDED 0.062 IN.

DEEP IN, thread_direction: RIGHT-HAND NUT THREAD. This part is cataloged in the U.S. Government catalog under NSN 5307-00-147-3308, 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

B2138A

NSN: 5307-00-147-3308
FSC: 5307 — Studs
CAGE: 64104 — DRESSER, LLC (USA)

SPECIFICATIONS

material	STEEL COMP 8640H
thread_class	2A NUT THREAD A
thread_length	0.625 INCHES MINIMUM STUD THREAD IN
overall_length	5.688 INCHES NOMINAL IN
special_features	STUD END CHAMFERED 0.062 IN. BY 45.0 DEG,NUT END ROUNDED 0.062 IN. DEEP IN
thread_direction	RIGHT-HAND NUT THREAD
nominal_thread_size	0.438 INCHES STUD THREAD IN
thread_pitch_diameters	+0.3940 TO 0.3960 INCHES STUD THREAD IN
thread_quantity_per_inch	20 NUT THREAD
thread_series_designator	UNF NUT THREAD
material_document_and_classification	SAE ASSN STD SINGLE MATERIAL RESPONSE
NSN	5307-00-147-3308

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD LENGTH: 0.625 INCHES MINIMUM STUD THREAD IN

•

THREAD PITCH DIAMETERS: +0.3940 TO 0.3960 INCHES STUD THREAD IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE

•

THREAD DIRECTION: RIGHT-HAND STUD THREAD

•

NOMINAL THREAD SIZE: 0.438 INCHES NUT THREAD IN

TECHNICAL CHARACTERISTICS

THREAD LENGTH	0.625 INCHES MINIMUM STUD THREAD IN
THREAD LENGTH	1.062 INCHES MINIMUM NUT THREAD IN
THREAD PITCH DIAMETERS	+0.3940 TO 0.3960 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH	5.688 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND STUD THREAD
THREAD DIRECTION	RIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE	0.438 INCHES NUT THREAD IN
NOMINAL THREAD SIZE	0.438 INCHES STUD THREAD IN
SPECIAL FEATURES	STUD END CHAMFERED 0.062 IN. BY 45.0 DEG,NUT END ROUNDED 0.062 IN. DEEP IN

OTHER ITEMS IN FSC 5307 — Studs

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625

SUBSTITUTES & CROSS-REFERENCES 1

1AB2138ASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is B2138A?

B2138A is a STUD,PLAIN.

What parts can replace B2138A?

There is 1 known substitute for B2138A: 1AB2138A. Substitute compatibility should be verified for your specific system.

What is the NSN for B2138A?

B2138A is cataloged in the U.S. Government catalog under NSN 5307-00-147-3308. This indicates validated use in U.S. government and defense supply chains.

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