PartsTable
Technical Data Sheet
PartsTable / MRO / 4428
4428 ✓ Verified by PartsTable
Hama · MRO · MRO_GENERAL
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 BACKSHELL,ELECTRICAL CONNECTOR is a Hama industrial component. Key specifications include material: RUBBER SYNTHETIC SEAL, hole_type: DRILLED, body_style: CLIP CONNECTED TYPE, head_style: FLAT CHAMFER, stem_style: GROOVED, design_type: NONREUSABLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-206-6270, 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→ 4428
NSN: 5306-00-206-6270
FSC: 5306
CAGE: 94231 — THE CHAMPION COMPANY DIV GROUND SUPPORT EQUIPMENT (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEAL
hole_typeDRILLED
body_styleCLIP CONNECTED TYPE
head_styleFLAT CHAMFER
stem_styleGROOVED
design_typeNONREUSABLE
grip_length0.688 INCHES NOMINAL IN
head_height0.188 INCHES NOMINAL IN
neck_radius0.2500 INCHES NOMINAL IN
stem_length6.1718 INCHES NOMINAL IN
groove_width0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN
thread_class2A A
NSN5306-00-206-6270
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4428 · Hama ⚠ 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
•
FEATURES PROVIDED: FINISHED HEAD
•
WIDTH BETWEEN FLATS: 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
•
HOLE TYPE: DRILLED
•
THREAD LENGTH: 0.641 INCHES MINIMUM IN
•
THREAD SERIES DESIGNATOR: UNF
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 0.688 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDFINISHED HEAD
WIDTH BETWEEN FLATS0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
HOLE TYPEDRILLED
THREAD LENGTH0.641 INCHES MINIMUM IN
THREAD SERIES DESIGNATORUNF
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.688 INCHES NOMINAL IN
HOLE DIAMETER0.062 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
MS20074-10-16Upgraded Successor
successor cross-reference
successor
MILB6812Upgraded Successor
successor cross-reference
successor
AN3-4Upgraded Successor
successor cross-reference
successor
85H30Upgraded Successor
successor cross-reference
successor
NASM6812Upgraded Successor
successor cross-reference
successor
83T26Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4428?
4428 is a BACKSHELL,ELECTRICAL CONNECTOR manufactured by Hama. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4428?
There are 16 known substitutes for 4428: MS20074-10-16, MILB6812, AN3-4 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4428?
4428 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-206-6270. 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