166521-4 — TRANSFORMER,POWER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

166521-4: TRANSFORMER,POWER.

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 5015, overall_width: 2.562 INCHES NOMINAL IN, thread_length: 1.156 INCHES MINIMUM NUT THREAD IN, inclosure_type: OPEN, overall_height: 2.875 INCHES NOMINAL IN, overall_length: 3.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-359-1243, 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

166521-4

NSN: 5307-00-359-1243
NIINs: 003591243, 010705218
FSC: 5307 — Studs
CAGE: 20076 — TITAN WHEEL CORPORATION OF ILLINOIS (USA)

SPECIFICATIONS

material	STEEL COMP 5015
overall_width	2.562 INCHES NOMINAL IN
thread_length	1.156 INCHES MINIMUM NUT THREAD IN
inclosure_type	OPEN
overall_height	2.875 INCHES NOMINAL IN
overall_length	3.062 INCHES NOMINAL IN
hardness_rating	98.0 ROCKWELL B MINIMUM AND 104.5 ROCKWELL B MAXIMUM
mounting_method	THREADED STUD(S) SINGLE GROUP
shoulder_length	0.188 INCHES NOMINAL IN
frequency_rating	60.0 HERTZ NOMINAL SINGLE COMPONENT
style_designator	SHOULDERED
thread_direction	RIGHT-HAND NUT THREAD
NSN	5307-00-359-1243

COMPONENT DIAGRAM

KEY FEATURES

•

NUT END SHANK DIAMETER: 0.786 INCHES NOMINAL IN

•

THREAD LENGTH: 0.969 INCHES MINIMUM STUD THREAD IN

•

HARDNESS RATING: 98.0 ROCKWELL B MINIMUM AND 104.5 ROCKWELL B MAXIMUM

•

STYLE DESIGNATOR: SHOULDERED

•

THREAD PITCH DIAMETERS: +0.7044 TO 0.7084 INCHES NUT THREAD IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE

TECHNICAL CHARACTERISTICS

NUT END SHANK DIAMETER	0.786 INCHES NOMINAL IN
THREAD LENGTH	0.969 INCHES MINIMUM STUD THREAD IN
THREAD LENGTH	1.156 INCHES MINIMUM NUT THREAD IN
HARDNESS RATING	98.0 ROCKWELL B MINIMUM AND 104.5 ROCKWELL B MAXIMUM
STYLE DESIGNATOR	SHOULDERED
THREAD PITCH DIAMETERS	+0.7044 TO 0.7084 INCHES NUT THREAD IN
THREAD PITCH DIAMETERS	+0.7044 TO 0.7084 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH	3.125 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND STUD THREAD

SUBSTITUTES & CROSS-REFERENCES 9

98MEA1Reference document

Same NSN cross-reference

Reference document — Secondary reference

12247Reference document

Same NSN cross-reference

Reference document — Secondary reference

285379Reference document

Same NSN cross-reference

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

31714VReference document

Same NSN cross-reference

Reference document — Secondary reference

11A2084Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

20X20Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is 166521-4?

166521-4 is a TRANSFORMER,POWER.

What parts can replace 166521-4?

There are 9 known substitutes for 166521-4: 98MEA1, 12247, 285379 and 6 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 166521-4?

166521-4 is cataloged in the U.S. Government catalog under NSN 5307-00-359-1243. This indicates validated use in U.S. government and defense supply chains.

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