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MK-26 — GAGE,PROFILE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MK-26: GAGE,PROFILE.

The GAGE,PROFILE is a the manufacturer industrial component. Key specifications include special_features: MEASURES DOUBLE LINK DIA, features_provided: COMBINATION GO NOT GO GAGE, gaging_member_outside_diameter: 1.8750 INCHES AND 3.7500 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-427-8205, 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
MK-26
NSN: 5325-00-427-8205
NIINs: 004278205, 012646791
FSC: 5325 — Fastening Devices
CAGE: 24047 — COOPER INDUSTRIES INC DBA COOPER TOOLS (USA)
SPECIFICATIONS
special_featuresMEASURES DOUBLE LINK DIA
features_providedCOMBINATION GO NOT GO GAGE
gaging_member_outside_diameter1.8750 INCHES AND 3.7500 INCHES IN
NSN5325-00-427-8205
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MK-26 · OEM ⚠ 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
•
USAGE DESIGN: INTERNAL
•
MATERIAL DIAMETER: 0.063 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 0.938 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.8115 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: HOOKED WIRE
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
MATERIAL DIAMETER0.063 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER0.938 INCHES NOMINAL IN
INSIDE DIAMETER0.8115 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEHOOKED WIRE
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MK-26?
MK-26 is a GAGE,PROFILE.
What is the NSN for MK-26?
MK-26 is cataloged in the U.S. Government catalog under NSN 5325-00-427-8205. 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.