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Technical Data Sheet
PartsTable / COMPONENT / X210129
X210129 ✓ 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 CAP,SNAP FASTENER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, cap_style: CAP, cap_shank_length: 0.186 INCHES NOMINAL IN, cap_head_diameter: 0.525 INCHES MINIMUM AND 0.535 INCHES MAXIMUM IN, surface_treatment: NICKEL OVERALL, cap_overall_length: 0.301 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-276-4945, 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
X210129
NSN: 5325-00-276-4945
FSC: 5325
CAGE: 61864 — TRW ASSEMBLIES AND FASTENERS GROUP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
cap_styleCAP
cap_shank_length0.186 INCHES NOMINAL IN
cap_head_diameter0.525 INCHES MINIMUM AND 0.535 INCHES MAXIMUM IN
surface_treatmentNICKEL OVERALL
cap_overall_length0.301 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN
cap_shank_diameter0.157 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
NSN5325-00-276-4945
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: X210129 · 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
•
CAP SHANK DIAMETER: 0.157 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
•
SURFACE TREATMENT: NICKEL OVERALL
•
CAP OVERALL LENGTH: 0.301 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN
•
CAP STYLE: CAP
•
CAP SHANK LENGTH: 0.186 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
•
CAP HEAD DIAMETER: 0.525 INCHES MINIMUM AND 0.535 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CAP SHANK DIAMETER0.157 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
SURFACE TREATMENTNICKEL OVERALL
CAP OVERALL LENGTH0.301 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN
CAP STYLECAP
CAP SHANK LENGTH0.186 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
CAP HEAD DIAMETER0.525 INCHES MINIMUM AND 0.535 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
ICA327Interchangeable
interchangeable cross-reference
interchangeable
671Interchangeable
interchangeable cross-reference
interchangeable
L50J5R0Interchangeable
interchangeable cross-reference
interchangeable
0400AInterchangeable
interchangeable cross-reference
interchangeable
11155206Interchangeable
interchangeable cross-reference
interchangeable
LTCT20719-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X210129?
X210129 is a CAP,SNAP FASTENER.
What parts can replace X210129?
There are 14 known substitutes for X210129: ICA327, 671, L50J5R0 and 11 more. Substitute compatibility should be verified for your specific system.
Is X210129 still available?
X210129 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