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PartsTable / COMPONENT / 27-901
27-901 ✓ Verified by PartsTable
— · 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 MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include color: BLACK, material: PLASTIC METHYL METHACRYLATE, end_style: D SHAP BELOW INSIDE PERIPHERY, body_width: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, ring_style: STRAIGHT GAP, body_height: 0.030 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-159-3913, 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
27-901
NSN: 5325-00-159-3913
FSC: 5325
CAGE: 72800 — EATON CORP ENGINEERED FASTENERS DIV (USA)
SPECIFICATIONS
colorBLACK
materialPLASTIC METHYL METHACRYLATE
end_styleD SHAP BELOW INSIDE PERIPHERY
body_width0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
ring_styleSTRAIGHT GAP
body_height0.030 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
body_length0.812 INCHES MAXIMUM IN
inscriptionWARNING READ OWNER'S MANUAL FIRST
shank_styleSTRAIGHT
shank_length0.375 INCHES NOMINAL IN
usage_designINTERNAL
overall_depth0.625 INCHES NOMINAL IN
NSN5325-00-159-3913
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 27-901 · 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
•
END STYLE: D SHAP BELOW INSIDE PERIPHERY
•
MAJOR THICKNESS: 0.107 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN
•
MATERIAL: STEEL
•
USAGE DESIGN: INTERNAL
•
INSIDE DIAMETER: 5.573 INCHES MINIMUM AND 5.706 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 6.093 INCHES MINIMUM AND 6.186 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MATERIAL HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
END STYLED SHAP BELOW INSIDE PERIPHERY
MAJOR THICKNESS0.107 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN
MATERIALSTEEL
USAGE DESIGNINTERNAL
INSIDE DIAMETER5.573 INCHES MINIMUM AND 5.706 INCHES MAXIMUM IN
OUTSIDE DIAMETER6.093 INCHES MINIMUM AND 6.186 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
MATERIAL HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
RING STYLESTRAIGHT GAP
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
SC2790FInterchangeable
interchangeable cross-reference
interchangeable
2790-1Interchangeable
interchangeable cross-reference
interchangeable
531803-1Interchangeable
interchangeable cross-reference
interchangeable
KK190Interchangeable
interchangeable cross-reference
interchangeable
13543Interchangeable
interchangeable cross-reference
interchangeable
SM-A-984701Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 27-901?
27-901 is a MICROCIRCUIT,DIGITAL.
What parts can replace 27-901?
There are 10 known substitutes for 27-901: SC2790F, 2790-1, 531803-1 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 27-901?
27-901 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-159-3913. 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