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Technical Data Sheet
PartsTable / COMPONENT / MS27981-3B
MS27981-3B ✓ 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 SOCKET,SNAP FASTENER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, major_diameter: 0.422 INCHES NOMINAL IN, opening_diameter: 0.312 INCHES NOMINAL IN, socket_overall_height: 0.156 INCHES NOMINAL IN, snap_fastener_socket_style: SOCKET. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-276-4966, 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
MS27981-3B
NSN: 5325-00-276-4966
FSC: 5325
CAGE: 00756 — AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
major_diameter0.422 INCHES NOMINAL IN
opening_diameter0.312 INCHES NOMINAL IN
socket_overall_height0.156 INCHES NOMINAL IN
snap_fastener_socket_styleSOCKET
NSN5325-00-276-4966
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS27981-3B · 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
•
SOCKET OVERALL HEIGHT: 0.156 INCHES NOMINAL IN
•
OPENING DIAMETER: 0.312 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
•
SNAP FASTENER SOCKET STYLE: SOCKET
•
MAJOR DIAMETER: 0.422 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SOCKET OVERALL HEIGHT0.156 INCHES NOMINAL IN
OPENING DIAMETER0.312 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
SNAP FASTENER SOCKET STYLESOCKET
MAJOR DIAMETER0.422 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
XX12206K1105Interchangeable
interchangeable cross-reference
interchangeable
MS27981-3NInterchangeable
interchangeable cross-reference
interchangeable
12206Interchangeable
interchangeable cross-reference
interchangeable
11439Interchangeable
interchangeable cross-reference
interchangeable
2012-T 5Interchangeable
interchangeable cross-reference
interchangeable
B94.11MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS27981-3B?
MS27981-3B is a SOCKET,SNAP FASTENER.
What parts can replace MS27981-3B?
There are 20 known substitutes for MS27981-3B: XX12206K1105, MS27981-3N, 12206 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS27981-3B?
MS27981-3B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-276-4966. 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