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Technical Data Sheet
PartsTable / COMPONENT / 103-877
103-877 ✓ Verified by PartsTable
Hama · 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 Hama industrial component. Key specifications include material: STEEL OVERALL, body_type: SOLID, thread_direction: RIGHT-HAND EXTERNAL, nominal_thread_size: 0.125 INCHES EXTERNAL IN, thread_series_designator: NPT EXTERNAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-006-8158, 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
103-877
NSN: 5305-00-006-8158
FSC: 5305
CAGE: 99832 — SCOTT HUBER ESSICK A CO OF FIGGIE INTERNATIONAL INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_typeSOLID
thread_directionRIGHT-HAND EXTERNAL
nominal_thread_size0.125 INCHES EXTERNAL IN
thread_series_designatorNPT EXTERNAL
NSN5305-00-006-8158
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 103-877 · 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
•
FASTENER LENGTH: 2.000 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 11
•
THREAD LENGTH: 1.500 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 0.922 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: STEEL OVERALL
•
HOLE QUANTITY: 1
•
HOLE DIAMETER: 0.140 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH2.000 INCHES NOMINAL IN
THREAD QUANTITY PER INCH11
THREAD LENGTH1.500 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.922 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIALSTEEL OVERALL
HOLE QUANTITY1
HOLE DIAMETER0.140 INCHES NOMINAL IN
HEAD HEIGHT0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
HEAD STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
54503B03B03-1250Interchangeable
interchangeable cross-reference
interchangeable
A3877Interchangeable
interchangeable cross-reference
interchangeable
103877Interchangeable
interchangeable cross-reference
interchangeable
53370AXInterchangeable
interchangeable cross-reference
interchangeable
AS-1018-44A-35Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 103-877?
103-877 is a TRANSFORMER,AUDIO FREQUENCY manufactured by Hama.
What parts can replace 103-877?
There are 5 known substitutes for 103-877: 54503B03B03-1250, A3877, 103877 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 103-877?
103-877 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-006-8158. 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