57978R — STUD,PLAIN

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

57978R: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 3A NUT THREAD A, thread_length: 0.750 INCHES MINIMUM NUT THREAD IN, overall_length: 1.750 INCHES NOMINAL IN, special_features: 0.062 IN. BY 45 DRG CHAMFER ON END W/O688 IN.

BY 45 DEG. CHAMFER ON END W/0.750 IN. THD IN, thread_direction: RIGHT-HAND NUT THREAD.

This part is cataloged in the U.S. Government catalog under NSN 5307-00-364-2600, 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

57978R

NSN: 5307-00-364-2600
FSC: 5307 — Studs
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)

SPECIFICATIONS

material	STEEL
thread_class	3A NUT THREAD A
thread_length	0.750 INCHES MINIMUM NUT THREAD IN
overall_length	1.750 INCHES NOMINAL IN
special_features	0.062 IN. BY 45 DRG CHAMFER ON END W/O688 IN. BY 45 DEG. CHAMFER ON END W/0.750 IN. THD IN
thread_direction	RIGHT-HAND NUT THREAD
nominal_thread_size	0.500 INCHES NUT THREAD IN
thread_pitch_diameters	+0.4550 TO 0.4570 INCHES STUD THREAD IN
thread_quantity_per_inch	13 STUD THREAD
thread_series_designator	UNS STUD THREAD
NSN	5307-00-364-2600

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD LENGTH: 0.750 INCHES MINIMUM NUT THREAD IN

•

THREAD PITCH DIAMETERS: +0.4550 TO 0.4570 INCHES STUD THREAD IN

•

THREAD DIRECTION: RIGHT-HAND STUD THREAD

•

NOMINAL THREAD SIZE: 0.500 INCHES NUT THREAD IN

TECHNICAL CHARACTERISTICS

THREAD LENGTH	0.750 INCHES MINIMUM NUT THREAD IN
THREAD LENGTH	0.688 INCHES MINIMUM STUD THREAD IN
THREAD PITCH DIAMETERS	+0.4550 TO 0.4570 INCHES STUD THREAD IN
OVERALL LENGTH	1.750 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND STUD THREAD
THREAD DIRECTION	RIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE	0.500 INCHES NUT THREAD IN
NOMINAL THREAD SIZE	0.500 INCHES STUD THREAD IN
SPECIAL FEATURES	0.062 IN. BY 45 DRG CHAMFER ON END W/O688 IN. BY 45 DEG. CHAMFER ON END W/0.750 IN. THD IN
THREAD CLASS	3A NUT THREAD A

SUBSTITUTES & CROSS-REFERENCES 4

214536Reference document

Same NSN cross-reference

Reference document — Secondary reference

4156AReference document

Same NSN cross-reference

Reference document — Design control — primary reference

7412383Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

96436Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 57978R?

57978R is a STUD,PLAIN.

What parts can replace 57978R?

There are 4 known substitutes for 57978R: 214536, 4156A, 7412383 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 57978R?

57978R is cataloged in the U.S. Government catalog under NSN 5307-00-364-2600. This indicates validated use in U.S. government and defense supply chains.

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