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B1078 — MODEM,COMMUNICATIONS

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

B1078: MODEM,COMMUNICATIONS.

The MODEM,COMMUNICATIONS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: KNURLED NO. 1, head_height: 0.391 INCHES NOMINAL IN, point_style: FLAT, thread_class: 2A A, head_diameter: 0.484 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5120-00-240-1414, 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→ B1078
NSN: 5120-00-240-1414
NIINs: 002401414, 002405328, 002405330, 002643793, 002643795, 002643796, 002780340, 002930008, 002930031, 004236728, 004498083, 004498084, 008544260, 010093315, 011032495, 011276857, 011303113, 012699357, 012896833, 013352217, 013352218, 013574764, 013673391, 013673393, 013859511, 013859515, 013987592, 013987593, 013987595, 013999850, 013999853, 013999855, 013999859, 013999869, 013999875, 013999876, 013999878, 013999879, 013999886, 013999894, 014306554, 014356978, 014360641, 014362923, 014362924, 014362926, 014371715, 014371722, 014371727, 014371733, 014371756, 014371769, 014739271, 014739273, 014739274, 014878983, 015010831, 015147769, 015301936, 015303595, 015359280, 015741935, 016004304, 016015164, 016090411, 016457871, 016532015, 016550127, 016608731, 016608732, 016616314, 016622006, 016667654, 016678543, 016717080, 016721056
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleKNURLED NO. 1
head_height0.391 INCHES NOMINAL IN
point_styleFLAT
thread_class2A A
head_diameter0.484 INCHES NOMINAL IN
overall_width2.5 INCHES NOMINAL IN
thread_length1.625 INCHES NOMINAL IN
head_thickness0.750 INCHES MAXIMUM IN
overall_length10.000 INCHES NOMINAL IN
fastener_length3.000 INCHES NOMINAL IN
opening_diameter1.125 INCHES NOMINAL IN
NSN5120-00-240-1414
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MODEM,COMMUNICATIONS TITLE COMPONENT PN B1078 MFR MODEM,COMMUNICATIONS
KEY FEATURES
•
WRENCHING SURFACE SIZE: 2.062 INCHES NOMINAL SINGLE END IN
•
STYLE DESIGNATOR: OPEN END SINGLE HEAD PIN AND HOLE ADJUSTMENT
•
SPECIFICATION/STANDARD DATA: 05047-ASME B107.100 CAT 8 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE
•
WRENCHING SURFACE SHAPE: OVAL SINGLE END INTERNAL
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
ENVIRONMENTAL ATTRIBUTE CODE: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
TECHNICAL CHARACTERISTICS
WRENCHING SURFACE SIZE2.062 INCHES NOMINAL SINGLE END IN
STYLE DESIGNATOROPEN END SINGLE HEAD PIN AND HOLE ADJUSTMENT
OVERALL LENGTH17.500 INCHES MINIMUM AND 19.000 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA05047-ASME B107.100 CAT 8 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NONDEFINITIVE SPEC/STD DATA1 TYPE
WRENCHING SURFACE SHAPEOVAL SINGLE END INTERNAL
SURFACE TREATMENTCHROMIUM OVERALL
ENVIRONMENTAL ATTRIBUTE CODEPLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
MATERIALSTEEL OVERALL
HEAD THICKNESS1.218 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 9
28-418Reference document
Same NSN cross-reference
Reference document — Secondary reference
944606000Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
KEN-501-1180KAReference document
Same NSN cross-reference
Reference document — Secondary reference
A-A-2344Reference document
Same NSN cross-reference
Reference document — Secondary reference
0553 4403Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
B107.8 TY1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B1078?
B1078 is a MODEM,COMMUNICATIONS. It is classified as a MRO (MRO_GENERAL).
What parts can replace B1078?
There are 9 known substitutes for B1078: 28-418, 944606000, KEN-501-1180KA and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B1078?
B1078 is cataloged in the U.S. Government catalog under NSN 5120-00-240-1414. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.