B421 — SOCKET,PLUG-IN ELECTRONIC COMPON

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

B421: SOCKET,PLUG-IN ELECTRONIC COMPON.

SOCKET,PLUG-IN ELECTRONIC COMPON. Key specifications include width: 3.500 INCHES NOMINAL IN, diameter: 0.375 INCHES IN, material: STEEL, face_width: 0.750 INCHES NOMINAL IN, tooth_type: INTEGRAL, physical_form: STICK. This part is cataloged in the U.S.

Government catalog under NSN 2540-00-040-2170, 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

MRO→ MRO_GENERAL→ B421

NSN: 2540-00-040-2170
NIINs: 000402170, 002329028, 002618293, 003674671, 014639931
FSC: 2540 — Vehicular Furniture and Accessories
CAGE: 81718 — OPW FUELING COMPONENTS INC. DIV OPW FUELING COMPONENTS (USA)

SPECIFICATIONS

width	3.500 INCHES NOMINAL IN
diameter	0.375 INCHES IN
material	STEEL
face_width	0.750 INCHES NOMINAL IN
tooth_type	INTEGRAL
physical_form	STICK
pointer_angle	60.0 DEGREES NOMINAL
basic_ingredient	ALUMINUM SOAP AND PETROLEUM OIL
outside_diameter	6.000 INCHES NOMINAL IN
special_features	24 STICKS PER BOX
attachment_method	HOLE
tooth_arrangement	STAGGERED
NSN	2540-00-040-2170

COMPONENT DIAGRAM

KEY FEATURES

•

GENERAL CHARACTERISTICS ITEM DESCRIPTION: MATERIAL,CAST BRONZE,FIRST END DATA,1ST SEAT,0.250 IN. H,0.937 IN. DIA,1ST GROOVE,0.656 IN. DIA,0.375 IN. W,2ND SEAT,1.062 IN. DIA,0.250 IN. H,2ND GROOVE,0.750 IN. DIA,0.562 IN. W,THD DATA,15/16-1250P-2500,3.375 IN. THD LG,2ND END DATA,1ST STEP THD,7/16-14NC-2,0.438 IN. THD LG,2ND STEP SQUARED,0.500 IN.SQUARE,3 DEG TAPER,0.656 IN. SQUARE LEG,3RD STEP TAPERED FROM 0.9313 IN. MIN,0.9375 IN. MAX TO 0.729 IN. MIN,0.734 IN. MAX,5.937 IN. LG IN

TECHNICAL CHARACTERISTICS

GENERAL CHARACTERISTICS ITEM DESCRIPTION

MATERIAL,CAST BRONZE,FIRST END DATA,1ST SEAT,0.250 IN. H,0.937 IN. DIA,1ST GROOVE,0.656 IN. DIA,0.375 IN. W,2ND SEAT,1.062 IN. DIA,0.250 IN. H,2ND GROOVE,0.750 IN. DIA,0.562 IN. W,THD DATA,15/16-1250P-2500,3.375 IN. THD LG,2ND END DATA,1ST STEP THD,7/16-14NC-2,0.438 IN. THD LG,2ND STEP SQUARED,0.500 IN.SQUARE,3 DEG TAPER,0.656 IN. SQUARE LEG,3RD STEP TAPERED FROM 0.9313 IN. MIN,0.9375 IN. MAX TO 0.729 IN. MIN,0.734 IN. MAX,5.937 IN. LG IN

SUBSTITUTES & CROSS-REFERENCES 1

8330118Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is B421?

B421 is a SOCKET,PLUG-IN ELECTRONIC COMPON. It is classified as a MRO (MRO_GENERAL).

What parts can replace B421?

There is 1 known substitute for B421: 8330118. Substitute compatibility should be verified for your specific system.

What is the NSN for B421?

B421 is cataloged in the U.S. Government catalog under NSN 2540-00-040-2170. This indicates validated use in U.S. government and defense supply chains.

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B421 — SOCKET,PLUG-IN ELECTRONIC COMPON

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