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521SB27 — CONNECTOR BODY,PLUG,ELECTRICAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

521SB27: CONNECTOR BODY,PLUG,ELECTRICAL.

The CONNECTOR BODY,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: STEEL, opening_width: 1.312 INCHES NOMINAL IN, overall_length: 11.312 INCHES NOMINAL IN, style_designator: OPEN WEDGE, bolt_hole_diameter: 1.312 INCHES NOMINAL IN, accommodated_material_diameter: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4030-00-125-2749, 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
521SB27
NSN: 4030-00-125-2749
FSC: 4030 — Fittings for Rope, Cable, and Chain
CAGE: 40152 — VME AMERICAS INC SUB OF VME GROUP N V (USA)
SPECIFICATIONS
materialSTEEL
opening_width1.312 INCHES NOMINAL IN
overall_length11.312 INCHES NOMINAL IN
style_designatorOPEN WEDGE
bolt_hole_diameter1.312 INCHES NOMINAL IN
accommodated_material_diameter0.625 INCHES NOMINAL IN
NSN4030-00-125-2749
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR BODY,PLUG,ELECTRICAL TITLE COMPONENT PN 521SB27 MFR CONNECTOR BODY,PLUG,EL
KEY FEATURES
•
STYLE DESIGNATOR: OPEN WEDGE
•
OPENING WIDTH: 1.312 INCHES NOMINAL IN
•
BOLT HOLE DIAMETER: 1.312 INCHES NOMINAL IN
•
ACCOMMODATED MATERIAL DIAMETER: 0.625 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATOROPEN WEDGE
OPENING WIDTH1.312 INCHES NOMINAL IN
BOLT HOLE DIAMETER1.312 INCHES NOMINAL IN
OVERALL LENGTH11.312 INCHES NOMINAL IN
ACCOMMODATED MATERIAL DIAMETER0.625 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 3
C74B2Reference document
Same NSN cross-reference
Reference document — Secondary reference
52SA27Reference document
Same NSN cross-reference
Reference document — Secondary reference
6105853Reference 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 521SB27?
521SB27 is a CONNECTOR BODY,PLUG,ELECTRICAL.
What parts can replace 521SB27?
There are 3 known substitutes for 521SB27: C74B2, 52SA27, 6105853. Substitute compatibility should be verified for your specific system.
What is the NSN for 521SB27?
521SB27 is cataloged in the U.S. Government catalog under NSN 4030-00-125-2749. 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.