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Technical Data Sheet
PartsTable / COMPONENT / MIL-A-3777, TYPE VII, CLASS A
MIL-A-3777, TYPE VII, CLASS A ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The MIL-A-3777, TYPE VII, CLASS A is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4030-00-187-5254, 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
MIL-A-3777, TYPE VII, CLASS A
NSN: 4030-00-187-5254
FSC: 4030
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-A-3777, TYPE VII, CLASS A
NSN4030-00-187-5254
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MIL-A-3777, TYPE VII, CLASS A TITLE COMPONENT PN MIL-A-3777, TYPE VII, CLASS A MFR MIL-A-3777, TYPE VII,
KEY FEATURES
•
UPPER END STYLE: OVAL
•
NONDEFINITIVE SPEC/STD DATA: 7 TYPE AND A CLASS
•
MATERIAL: STEEL
•
SURFACE TREATMENT: ZINC
•
ROD TYPE: INTEGRAL
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DESIGN TYPE: WEDGE ROCK
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OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
UPPER END STYLEOVAL
NONDEFINITIVE SPEC/STD DATA7 TYPE AND A CLASS
OVERALL LENGTH18.000 INCHES NOMINAL IN
MATERIALSTEEL
SURFACE TREATMENTZINC
ROD TYPEINTEGRAL
DESIGN TYPEWEDGE ROCK
OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
MILA3777AInterchangeable
interchangeable cross-reference
interchangeable
MILA3777Interchangeable
interchangeable cross-reference
interchangeable
DA2S6Interchangeable
interchangeable cross-reference
interchangeable
J7416Interchangeable
interchangeable cross-reference
interchangeable
TYPE2CLASSAInterchangeable
interchangeable cross-reference
interchangeable
C633WInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-A-3777, TYPE VII, CLASS A?
MIL-A-3777, TYPE VII, CLASS A is a MIL-A-3777, TYPE VII, CLASS A.
What parts can replace MIL-A-3777, TYPE VII, CLASS A?
There are 8 known substitutes for MIL-A-3777, TYPE VII, CLASS A: MILA3777A, MILA3777, DA2S6 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-A-3777, TYPE VII, CLASS A?
MIL-A-3777, TYPE VII, CLASS A is cataloged in the Federal Logistics Information System (FLIS) under NSN 4030-00-187-5254. 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