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Technical Data Sheet
PartsTable / MRO / 102125
102125 ✓ 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

CYLINDER ASSEMBLY,ACTUATING,LINE. Key specifications include material: COPPER ALLOY, body_width: 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN, head_style: HEXAGON, port_style: GASKET SEAL, body_height: 0.270 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN, body_length: 0.260 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-021-3673, 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→ 102125
NSN: 5305-00-021-3673
FSC: 5305
CAGE: 81580 — MCCULLOCH CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_width0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
head_styleHEXAGON
port_styleGASKET SEAL
body_height0.270 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
body_length0.260 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
head_height0.187 INCHES NOMINAL IN
thread_classUNABLE TO DECODE
bore_diameter3.000 INCHES NOMINAL IN
overall_width6.094 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
thread_length0.750 INCHES MINIMUM IN
NSN5305-00-021-3673
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 102125 · 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
•
WIDTH BETWEEN FLATS: 0.437 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
THREAD QUANTITY PER INCH: 20
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD HEIGHT: 0.187 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH BETWEEN FLATS0.437 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
HEAD HEIGHT0.187 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD LENGTH0.750 INCHES MINIMUM IN
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
WSP11-417BInterchangeable
interchangeable cross-reference
interchangeable
G-102125Interchangeable
interchangeable cross-reference
interchangeable
B-24650Interchangeable
interchangeable cross-reference
interchangeable
13211E0133Interchangeable
interchangeable cross-reference
interchangeable
26739Interchangeable
interchangeable cross-reference
interchangeable
8497-114-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 102125?
102125 is a CYLINDER ASSEMBLY,ACTUATING,LINE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 102125?
There are 11 known substitutes for 102125: WSP11-417B, G-102125, B-24650 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 102125?
102125 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-021-3673. 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