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Technical Data Sheet
PartsTable / MRO / 385171
385171 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 RESISTOR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, head_diameter: 0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN, fastener_length: 0.963 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN, countersink_angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM, internal_drive_style: SLOT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-010-2108, 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
MRO→ MRO_GENERAL→ 385171
NSN: 5305-00-010-2108
FSC: 5305
CAGE: 2S125 — HILLMAN GROUP, INC., THE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT COUNTERSUNK
head_diameter0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN
fastener_length0.963 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
internal_drive_styleSLOT
valve_operation_methodAUTOMATIC
end_item_identificationMAIN GAS TURBINE MODEL FT4A-6 ONBOARD 378 FT WHEC AND 400 FT WAGB COAST GUARD VESSELS FT
nonmachine_thread_styleGIMLET POINT (TYPE A, AB OR BA)
nondefinitive_spec/std_data1 TYPE AND 2S STYLE
nonmachine_nominal_thread_diameter0.138 INCHES IN
material_document_and_classificationANSI B18.6.1 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B36 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B633 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5305-00-010-2108
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 385171 · 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
•
HEAD DIAMETER: 0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN
•
NONMACHINE THREAD STYLE: GIMLET POINT (TYPE A, AB OR BA)
•
HEAD STYLE: FLAT COUNTERSUNK
•
MATERIAL: COPPER ALLOY OVERALL
•
INTERNAL DRIVE STYLE: SLOT
•
NONMACHINE NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ANSI B18.6.1 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B36 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B633 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 2S STYLE
TECHNICAL CHARACTERISTICS (FLIS)
HEAD DIAMETER0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN
NONMACHINE THREAD STYLEGIMLET POINT (TYPE A, AB OR BA)
HEAD STYLEFLAT COUNTERSUNK
MATERIALCOPPER ALLOY OVERALL
INTERNAL DRIVE STYLESLOT
NONMACHINE NOMINAL THREAD DIAMETER0.138 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONANSI B18.6.1 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B36 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B633 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2S STYLE
FASTENER LENGTH0.963 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
102108Interchangeable
interchangeable cross-reference
interchangeable
385171Interchangeable
interchangeable cross-reference
interchangeable
C2108Interchangeable
interchangeable cross-reference
interchangeable
102108-00Interchangeable
interchangeable cross-reference
interchangeable
MS35494-235Interchangeable
Same NIIN cross-reference
interchangeable
ANSI B18.6.1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 385171?
385171 is a RESISTOR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 385171?
There are 7 known substitutes for 385171: 102108, 385171, C2108 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 385171?
385171 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-010-2108. 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