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Technical Data Sheet
PartsTable / COMPONENT / MS27981-3N
MS27981-3N ✓ 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, surface_treatment: NICKEL OVERALL, socket_overall_height: 0.156 INCHES NOMINAL IN, snap_fastener_socket_style: SOCKET. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-174-2889, 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
MS27981-3N
NSN: 5325-00-174-2889
FSC: 5325
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
major_diameter0.422 INCHES NOMINAL IN
opening_diameter0.312 INCHES NOMINAL IN
surface_treatmentNICKEL OVERALL
socket_overall_height0.156 INCHES NOMINAL IN
snap_fastener_socket_styleSOCKET
NSN5325-00-174-2889
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS27981-3N · 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
•
OPENING DIAMETER: 0.312 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
•
MAJOR DIAMETER: 0.422 INCHES NOMINAL IN
•
SOCKET OVERALL HEIGHT: 0.156 INCHES NOMINAL IN
•
SNAP FASTENER SOCKET STYLE: SOCKET
•
SURFACE TREATMENT: NICKEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OPENING DIAMETER0.312 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
MAJOR DIAMETER0.422 INCHES NOMINAL IN
SOCKET OVERALL HEIGHT0.156 INCHES NOMINAL IN
SNAP FASTENER SOCKET STYLESOCKET
SURFACE TREATMENTNICKEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
11439Interchangeable
interchangeable cross-reference
interchangeable
2012-T 5Interchangeable
interchangeable cross-reference
interchangeable
B94.11MInterchangeable
interchangeable cross-reference
interchangeable
350-RTInterchangeable
interchangeable cross-reference
interchangeable
2012-T 6Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS27981-3N?
MS27981-3N is a SOCKET,SNAP FASTENER.
What parts can replace MS27981-3N?
There are 25 known substitutes for MS27981-3N: 11439, 2012-T 5, B94.11M and 22 more. Substitute compatibility should be verified for your specific system.
Is MS27981-3N still available?
MS27981-3N is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026