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20-2021 — ARMATURE,ELECTROMAGNETIC ACTUATO

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

20-2021: ARMATURE,ELECTROMAGNETIC ACTUATO.

ARMATURE,ELECTROMAGNETIC ACTUATO. Key specifications include material: STEEL OVERALL, hole_type: DRILLED, body_style: PLAIN, SOLID, body_width: 2.120 INCHES MAXIMUM IN, bore_shape: STRAIGHT, bore_style: W/ KEYWAY BOTH ENDS. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-206-8574, 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
20-2021
NSN: 5306-00-206-8574
NIINs: 002068574, 002218778, 002939350, 004342889, 005459827, 009856537, 011157138
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_typeDRILLED
body_stylePLAIN, SOLID
body_width2.120 INCHES MAXIMUM IN
bore_shapeSTRAIGHT
bore_styleW/ KEYWAY BOTH ENDS
head_styleDOUBLE HEXAGON W/HOLE
teeth_typeSINGLE HELIX
body_height3.120 INCHES MAXIMUM IN
body_length2.620 INCHES MAXIMUM IN
head_height0.272 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN
thread_class3A A
NSN5306-00-206-8574
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 20-2021 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
EXTENDED WASHER THICKNESS: 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.272 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
HOLE CONFIGURATION STYLE: HEXAGON FLATS
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
HEAD HEIGHT0.272 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN
FASTENER LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
THREAD LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HOLE CONFIGURATION STYLEHEXAGON FLATS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 20-2021?
20-2021 is a ARMATURE,ELECTROMAGNETIC ACTUATO.
What is the NSN for 20-2021?
20-2021 is cataloged in the U.S. Government catalog under NSN 5306-00-206-8574. This indicates validated use in U.S. government and defense supply chains.
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