3R4B — 3R4B

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

3R4B: 3R4B.

The 3R4B is a the manufacturer industrial component. Key specifications include width: 0.788 INCHES MAXIMUM IN, length: 2.552 INCHES MAXIMUM IN, inside_width: 0.222 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN, overall_depth: 0.739 INCHES MINIMUM IN, pointer_design: NONDETACHABLE, inside_diameter: 0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5355-00-926-5263, 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

3R4B

NSN: 5355-00-926-5263
FSC: 5355 — Knobs and Pointers
CAGE: 23480 — ELECTRONIC HARDWARE CORP DBA ELECTRONIC HARDWARE CORP (USA)

SPECIFICATIONS

width	0.788 INCHES MAXIMUM IN
length	2.552 INCHES MAXIMUM IN
inside_width	0.222 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
overall_depth	0.739 INCHES MINIMUM IN
pointer_design	NONDETACHABLE
inside_diameter	0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
screw_drive_type	HEXAGON SOCKET
special_features	SHAFT ACCOMMODATION HOLE COUNTERBORED 0.562 IN. MIN DIA 0.177 IN. MIN DEPTH IN
style_designator	BAR WITH SINGLE POINTER
attachment_method	SETSCREWS
overall_thickness	0.869 INCHES MAXIMUM IN
nominal_thread_size	0.164 INCHES SCREW HOLE IN
NSN	5355-00-926-5263

COMPONENT DIAGRAM

KEY FEATURES

•

DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE: 0.348 INCHES MAXIMUM IN

•

INSIDE WIDTH: 0.222 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN

•

SHAFT ACCOMMODATION STYLE: FLATTED ONE SIDE

•

LENGTH: 2.552 INCHES MAXIMUM IN

•

OVERALL THICKNESS: 0.869 INCHES MAXIMUM IN

•

MATERIAL TRANSPARENCY: OPAQUE

•

STYLE DESIGNATOR: BAR WITH SINGLE POINTER

•

SETSCREW HOLE QUANTITY: 2

TECHNICAL CHARACTERISTICS

DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE	0.348 INCHES MAXIMUM IN
INSIDE WIDTH	0.222 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
SHAFT ACCOMMODATION STYLE	FLATTED ONE SIDE
LENGTH	2.552 INCHES MAXIMUM IN
OVERALL THICKNESS	0.869 INCHES MAXIMUM IN
MATERIAL TRANSPARENCY	OPAQUE
STYLE DESIGNATOR	BAR WITH SINGLE POINTER
SETSCREW HOLE QUANTITY	2
NOMINAL THREAD SIZE	0.164 INCHES SCREW HOLE IN
INSIDE DIAMETER	0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN

SUBSTITUTES & CROSS-REFERENCES 4

125-7-2DCReference document

Same NSN cross-reference

Reference document — Secondary reference

125-7-2DGReference document

Same NSN cross-reference

Reference document — Secondary reference

NASM3926Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

MS91528-3R4BReference document

Same NSN cross-reference

Reference document — Secondary reference

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 3R4B?

3R4B is a 3R4B.

What parts can replace 3R4B?

There are 4 known substitutes for 3R4B: 125-7-2DC, 125-7-2DG, NASM3926 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 3R4B?

3R4B is cataloged in the U.S. Government catalog under NSN 5355-00-926-5263. This indicates validated use in U.S. government and defense supply chains.

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