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1AM77 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The SOCKET,SOCKET WRENCH is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 1.562 INCHES NOMINAL IN, drive_end_shape: SQUARE SINGLE END INTERNAL, special_features: STANDARD LENGTH, style_designator: INTERNAL-INTERNAL, features_provided: MANUAL TOOL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-428-4774, 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
1AM77
NSN: 5120-01-428-4774
FSC: 5120
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length1.562 INCHES NOMINAL IN
drive_end_shapeSQUARE SINGLE END INTERNAL
special_featuresSTANDARD LENGTH
style_designatorINTERNAL-INTERNAL
features_providedMANUAL TOOL
surface_treatmentCHROMIUM OVERALL
drive_surface_size0.500 INCHES NOMINAL SINGLE END IN
wrenching_surface_size1.000 INCHES NOMINAL SINGLE END IN
wrenching_surface_shape12 POINT SINGLE END INTERNAL
NSN5120-01-428-4774
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SOCKET,SOCKET WRENCH TITLE COMPONENT PN 1AM77 MFR SOCKET,SOCKET WRENCH
KEY FEATURES
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
DRIVE END SHAPE: SQUARE SINGLE END INTERNAL
•
FEATURES PROVIDED: MANUAL TOOL
•
STYLE DESIGNATOR: INTERNAL-INTERNAL
•
WRENCHING SURFACE SIZE: 1.000 INCHES NOMINAL SINGLE END IN
•
WRENCHING SURFACE SHAPE: 12 POINT SINGLE END INTERNAL
•
DRIVE SURFACE SIZE: 0.500 INCHES NOMINAL SINGLE END IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCHROMIUM OVERALL
SPECIAL FEATURESSTANDARD LENGTH
DRIVE END SHAPESQUARE SINGLE END INTERNAL
FEATURES PROVIDEDMANUAL TOOL
STYLE DESIGNATORINTERNAL-INTERNAL
WRENCHING SURFACE SIZE1.000 INCHES NOMINAL SINGLE END IN
WRENCHING SURFACE SHAPE12 POINT SINGLE END INTERNAL
DRIVE SURFACE SIZE0.500 INCHES NOMINAL SINGLE END IN
MATERIALSTEEL OVERALL
OVERALL LENGTH1.562 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
5432Interchangeable
Shotgun,28 Gage
interchangeable
333-631Interchangeable
interchangeable cross-reference
interchangeable
2101AInterchangeable
interchangeable cross-reference
interchangeable
STD1230Interchangeable
interchangeable cross-reference
interchangeable
AN4-12AInterchangeable
interchangeable cross-reference
interchangeable
363242Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1AM77?
1AM77 is a SOCKET,SOCKET WRENCH.
What parts can replace 1AM77?
There are 18 known substitutes for 1AM77: 5432, 333-631, 2101A and 15 more. Substitute compatibility should be verified for your specific system.
Is 1AM77 still available?
1AM77 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026