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Technical Data Sheet
PartsTable / COMPONENT / 51185-1
51185-1 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

NETWORK SECURITY PROTECTION SYST. Key specifications include handle_style: LOOP, stock_diameter: 0.031 INCHES NOMINAL IN, curved_end_style: HELICAL SPRING PULLER, special_features: O/A LG 6 IN.;STEEL ROD CLASS A3 PER SPEC 5T-108;FINISH M212,NICKEL OVER COPPER PER MIL-F-14072;RC30-40 HARDNESS IN, length_under_handle: 4.562 INCHES NOMINAL IN, distance_across_throat: 0.062 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-448-3927, 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
51185-1
NSN: 5120-00-448-3927
FSC: 5120
CAGE: 89750 — MOODY TOOLS, INC. (USA)
SPECIFICATIONS
handle_styleLOOP
stock_diameter0.031 INCHES NOMINAL IN
curved_end_styleHELICAL SPRING PULLER
special_featuresO/A LG 6 IN.;STEEL ROD CLASS A3 PER SPEC 5T-108;FINISH M212,NICKEL OVER COPPER PER MIL-F-14072;RC30-40 HARDNESS IN
length_under_handle4.562 INCHES NOMINAL IN
distance_across_throat0.062 INCHES NOMINAL IN
functional_descriptionPULL-TYPE FOR RELAY COIL SPRINGS
NSN5120-00-448-3927
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available NETWORK SECURITY PROTECTION SYST TITLE COMPONENT PN 51185-1 MFR NETWORK SECURITY PROTE
KEY FEATURES
•
STOCK DIAMETER: 0.031 INCHES NOMINAL IN
•
CURVED END STYLE: HELICAL SPRING PULLER
•
HANDLE STYLE: LOOP
•
DISTANCE ACROSS THROAT: 0.062 INCHES NOMINAL IN
•
LENGTH UNDER HANDLE: 4.562 INCHES NOMINAL IN
•
FUNCTIONAL DESCRIPTION: PULL-TYPE FOR RELAY COIL SPRINGS
TECHNICAL CHARACTERISTICS (FLIS)
STOCK DIAMETER0.031 INCHES NOMINAL IN
CURVED END STYLEHELICAL SPRING PULLER
HANDLE STYLELOOP
SPECIAL FEATURESO/A LG 6 IN.;STEEL ROD CLASS A3 PER SPEC 5T-108;FINISH M212,NICKEL OVER COPPER PER MIL-F-14072;RC30-40 HARDNESS IN
DISTANCE ACROSS THROAT0.062 INCHES NOMINAL IN
LENGTH UNDER HANDLE4.562 INCHES NOMINAL IN
FUNCTIONAL DESCRIPTIONPULL-TYPE FOR RELAY COIL SPRINGS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
127Interchangeable
interchangeable cross-reference
interchangeable
7-8BALLGRADE1Interchangeable
interchangeable cross-reference
interchangeable
PC409SInterchangeable
interchangeable cross-reference
interchangeable
6160771Interchangeable
interchangeable cross-reference
interchangeable
100BH01Interchangeable
interchangeable cross-reference
interchangeable
160771Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51185-1?
51185-1 is a NETWORK SECURITY PROTECTION SYST.
What parts can replace 51185-1?
There are 19 known substitutes for 51185-1: 127, 7-8BALLGRADE1, PC409S and 16 more. Substitute compatibility should be verified for your specific system.
Is 51185-1 still available?
51185-1 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