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Technical Data Sheet
PartsTable / COMPONENT / MS27977-29N
MS27977-29N ✓ 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 STUD,SNAP FASTENER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, body_length: 0.359 INCHES NOMINAL IN, stud_shank_length: 0.375 INCHES NOMINAL IN, surface_treatment: NICKEL OVERALL, stud_overall_length: 0.875 INCHES NOMINAL IN, stud_retention_method: SCREW BASE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-276-4918, 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
MS27977-29N
NSN: 5325-00-276-4918
FSC: 5325
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
body_length0.359 INCHES NOMINAL IN
stud_shank_length0.375 INCHES NOMINAL IN
surface_treatmentNICKEL OVERALL
stud_overall_length0.875 INCHES NOMINAL IN
stud_retention_methodSCREW BASE
snap_fastener_stud_styleSTUD
stud_base_width_across_flats0.344 INCHES NOMINAL IN
thread_size_and_series/type_designator0.164-32 UNIFIED NATIONAL COARSE (UNC)
NSN5325-00-276-4918
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS27977-29N · 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
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.164-32 UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: COPPER ALLOY OVERALL
•
SURFACE TREATMENT: NICKEL OVERALL
•
STUD OVERALL LENGTH: 0.875 INCHES NOMINAL IN
•
BODY LENGTH: 0.359 INCHES NOMINAL IN
•
STUD RETENTION METHOD: SCREW BASE
•
SNAP FASTENER STUD STYLE: STUD
•
STUD SHANK LENGTH: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.164-32 UNIFIED NATIONAL COARSE (UNC)
MATERIALCOPPER ALLOY OVERALL
SURFACE TREATMENTNICKEL OVERALL
STUD OVERALL LENGTH0.875 INCHES NOMINAL IN
BODY LENGTH0.359 INCHES NOMINAL IN
STUD RETENTION METHODSCREW BASE
SNAP FASTENER STUD STYLESTUD
STUD SHANK LENGTH0.375 INCHES NOMINAL IN
STUD BASE WIDTH ACROSS FLATS0.344 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
882Interchangeable
interchangeable cross-reference
interchangeable
314Interchangeable
interchangeable cross-reference
interchangeable
8048Interchangeable
interchangeable cross-reference
interchangeable
347Interchangeable
interchangeable cross-reference
interchangeable
AN227-21Interchangeable
interchangeable cross-reference
interchangeable
9033525Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS27977-29N?
MS27977-29N is a STUD,SNAP FASTENER.
What parts can replace MS27977-29N?
There are 15 known substitutes for MS27977-29N: 882, 314, 8048 and 12 more. Substitute compatibility should be verified for your specific system.
Is MS27977-29N still available?
MS27977-29N 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