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C125 — BOX CONNECTOR,ELECTRICAL

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

C125: BOX CONNECTOR,ELECTRICAL.

The BOX CONNECTOR,ELECTRICAL is a the manufacturer industrial component. Key specifications include width: 1.000 INCHES NOMINAL IN, length: 0.719 INCHES NOMINAL IN, end_type: BUTT, material: STEEL CORROSION RESISTING STEM, plumb_bob: NOT INCLUDED, thickness: 1.875 INCHES NOMINAL SINGLE WINDING IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-151-5051, 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→ C125
NSN: 3120-00-151-5051
NIINs: 001515051, 001942389, 003123109, 006164790, 009177885, 010328466, 011397444, 011434311, 013571763, 014696401, 015151002, 016781269, 016802654
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 71366 — BUNTING BEARINGS CORP (USA)
SPECIFICATIONS
width1.000 INCHES NOMINAL IN
length0.719 INCHES NOMINAL IN
end_typeBUTT
materialSTEEL CORROSION RESISTING STEM
plumb_bobNOT INCLUDED
thickness1.875 INCHES NOMINAL SINGLE WINDING IN
body_styleSTRIP TYPE
design_typeGENERAL PURPOSE DISTANCE MEASURING
skirt_styleSTEPPED
corner_shapeSQUARE ALL CORNERS
inside_width0.223 INCHES NOMINAL IN
skirt_designNONDETACHABLE
NSN3120-00-151-5051
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: C125 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE FINISH: 63.0 MICROINCHES OVERALL
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 0.8145 INCHES MINIMUM AND 0.8155 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.6240 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY 932 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES OVERALL
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER0.8145 INCHES MINIMUM AND 0.8155 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH1.4950 INCHES MINIMUM AND 1.5050 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.6240 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 932 OVERALL
SUBSTITUTES & CROSS-REFERENCES 9
K1013-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
M1013-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
H-050Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS35771-70Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
RB1013-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
WC1013-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C125?
C125 is a BOX CONNECTOR,ELECTRICAL. It is classified as a MRO (MRO_GENERAL).
What parts can replace C125?
There are 9 known substitutes for C125: K1013-12, M1013-12, H-050 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C125?
C125 is cataloged in the U.S. Government catalog under NSN 3120-00-151-5051. 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.