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401366 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

401366: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, grip_length: 2.438 INCHES NOMINAL IN, head_height: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.531 INCHES MINIMUM IN, fastener_length: 2.969 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-151-2616, 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
401366
NSN: 5306-00-151-2616
NIINs: 001512616, 011038628, 015118893
FSC: 5306 — Bolts
CAGE: 77294 — PIPER INDUSTRIAL MANUFACTURING COMPANY, LLC DIV PIPER INDUSTRIAL MANUFACTURING COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
head_styleHEXAGON
grip_length2.438 INCHES NOMINAL IN
head_height0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
thread_class3A A
thread_length0.531 INCHES MINIMUM IN
fastener_length2.969 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_between_flats0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
NSN5306-00-151-2616
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 401366 · 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
•
HEAD HEIGHT: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.969 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
THREAD LENGTH: 0.531 INCHES MINIMUM IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
FASTENER LENGTH2.969 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
THREAD LENGTH0.531 INCHES MINIMUM IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES 1
AN5-27ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 401366?
401366 is a NUT,PLAIN,HEXAGON.
What parts can replace 401366?
There is 1 known substitute for 401366: AN5-27A. Substitute compatibility should be verified for your specific system.
What is the NSN for 401366?
401366 is cataloged in the U.S. Government catalog under NSN 5306-00-151-2616. This indicates validated use in U.S. government and defense supply chains.
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