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Technical Data Sheet
PartsTable / COMPONENT / 400 106
400 106 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL, head_style: HEXAGON, grip_length: 0.688 INCHES NOMINAL IN, head_height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.468 INCHES MINIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-144-3708, 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
400 106
NSN: 5306-00-144-3708
FSC: 5306
CAGE: 77294 — PIPER INDUSTRIAL MANUFACTURING COMPANY, LLC DIV PIPER INDUSTRIAL MANUFACTURING COMPANY (USA)
SPECIFICATIONS
materialSTEEL
head_styleHEXAGON
grip_length0.688 INCHES NOMINAL IN
head_height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
thread_class3A A
thread_length0.468 INCHES MINIMUM IN
overall_height0.141 INCHES NOMINAL IN
fastener_length1.156 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
special_featuresGRUMMAN AEROSPACE A-10 AIRCRAFT
style_designatorSTRAIGHT BORE
thread_directionRIGHT-HAND
NSN5306-00-144-3708
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 400 106 · 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
•
THREAD CLASS: 3A A
•
THREAD LENGTH: 0.468 INCHES MINIMUM IN
•
WIDTH BETWEEN FLATS: 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.156 INCHES NOMINAL IN
•
MINIMUM TENSILE STRENGTH: 125000 POUNDS PER SQUARE INCH LBS
•
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER: 1.000 INCHES NOMINAL FIRST HOLE 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
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3A A
THREAD LENGTH0.468 INCHES MINIMUM IN
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
FASTENER LENGTH1.156 INCHES NOMINAL IN
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER1.000 INCHES NOMINAL FIRST HOLE 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
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
AN4-11Interchangeable
interchangeable cross-reference
interchangeable
23114-99-0745Interchangeable
interchangeable cross-reference
interchangeable
S4-11Interchangeable
interchangeable cross-reference
interchangeable
400106Interchangeable
interchangeable cross-reference
interchangeable
AA7I211Interchangeable
interchangeable cross-reference
interchangeable
987021100RA1000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 400 106?
400 106 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 400 106?
There are 12 known substitutes for 400 106: AN4-11, 23114-99-0745, S4-11 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 400 106?
400 106 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-144-3708. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026