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Technical Data Sheet
PartsTable / MRO / 28-9-1
28-9-1 ✓ Verified by PartsTable
Ariete · MRO · MRO_GENERAL
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

PARTS KIT,AIR-HYDRAULIC BRAKE SL. Key specifications include material: BRONZE PACKING, dial_type: DRUM DIAL, body_style: WEBBED, OFFSET, SOLID, body_width: 4.312 INCHES NOMINAL IN, bore_style: PLAIN BOTH ENDS, teeth_type: SINGLE HELIX. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-139-2221, 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→ 28-9-1
NSN: 6625-01-139-2221
FSC: 6625
CAGE: 25778 — SIERRA TECHNOLOGIES INC GARDEN CITY DIV (USA)
SPECIFICATIONS
materialBRONZE PACKING
dial_typeDRUM DIAL
body_styleWEBBED, OFFSET, SOLID
body_width4.312 INCHES NOMINAL IN
bore_stylePLAIN BOTH ENDS
teeth_typeSINGLE HELIX
tooth_formSPECIAL
valve_size1.500 INCHES IN
body_height3.938 INCHES NOMINAL IN
body_length3.375 INCHES NOMINAL IN
helix_angle22.0000 DEGREES
end_item_nameTRUCK
NSN6625-01-139-2221
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Ariete PARTS KIT,AIR-HYDRAULIC BRAKE SL TITLE COMPONENT PN 28-9-1 MFR Ariete PARTS KIT,AIR-HYDRAULI
KEY FEATURES
•
ELECTRICAL INCREMENT VALUE PER SECTION: 400.000 OHMS
•
MAXIMUM OPERATING TEMP: 30.0 CELSIUS DEGC
•
MAXIMUM VOLTAGE RATING IN VOLTS: 700.0 AC
•
ENVIRONMENTAL PROTECTION: DUSTPROOF AND MOISTURE PROOF AND MAGNETIC SHIELDING
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT5.250 INCHES NOMINAL IN
OVERALL LENGTH19.000 INCHES NOMINAL IN
ELECTRICAL INCREMENT VALUE PER SECTION400.000 OHMS
ELECTRICAL INCREMENT VALUE PER SECTION400.000 OHMS
ELECTRICAL INCREMENT VALUE PER SECTION2.000 KILOHMS
MAXIMUM OPERATING TEMP30.0 CELSIUS DEGC
MAXIMUM VOLTAGE RATING IN VOLTS700.0 AC
ENVIRONMENTAL PROTECTIONDUSTPROOF AND MOISTURE PROOF AND MAGNETIC SHIELDING
DIAL TYPEDRUM DIAL
ADJUSTMENT METHODROTARY SWITCH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
190215PC140Interchangeable
interchangeable cross-reference
interchangeable
190207PC140Interchangeable
interchangeable cross-reference
interchangeable
407466PC140Interchangeable
interchangeable cross-reference
interchangeable
2891Interchangeable
interchangeable cross-reference
interchangeable
39812Interchangeable
interchangeable cross-reference
interchangeable
M25-1-65MCInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28-9-1?
28-9-1 is a PARTS KIT,AIR-HYDRAULIC BRAKE SL manufactured by Ariete. It is classified as a MRO (MRO_GENERAL).
What parts can replace 28-9-1?
There are 18 known substitutes for 28-9-1: 190215PC140, 190207PC140, 407466PC140 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 28-9-1?
28-9-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-139-2221. 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