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PartsTable / COMPONENT / 539-28
539-28 ✓ Verified by PartsTable
Tactic · 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

The SPRING is a Tactic industrial component. Key specifications include end_item_identification: AIRCRAFT; C-5, part_name_assigned_by_controlling_agency: RETAINER ASSEMBLY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-698-6805, 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
539-28
NSN: 6685-00-698-6805
FSC: 6685
CAGE: 79466 — AESYS TECHNOLOGIES, L.L.C. DBA JACKSON & CHURCH HVAC GLOBAL DIV YORK SHIPLEY GLOBAL (USA)
SPECIFICATIONS
end_item_identificationAIRCRAFT; C-5
part_name_assigned_by_controlling_agencyRETAINER ASSEMBLY
NSN6685-00-698-6805
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Tactic SPRING TITLE COMPONENT PN 539-28 MFR Tactic SPRING
KEY FEATURES
•
SCALE TYPE: CONCENTRIC DIAL
•
SCALE ACCURACY RATING: 2 PCT
•
STEM LENGTH: 2.000 INCHES NOMINAL IN
•
SCALE INSCRIPTION/BACKGROUND COLOR: BLACK MARKING ON WHITE BACKGROUND
•
STYLE DESIGNATOR: STRAIGHT FORM, VERTICAL DIAL
•
SURFACE TREATMENT: ENAMEL METER CASE
•
MATERIAL: STEEL METER CASE
•
DESIGN TYPE: FLUCTUATING
TECHNICAL CHARACTERISTICS (FLIS)
SCALE TYPECONCENTRIC DIAL
SCALE ACCURACY RATING2 PCT
STEM LENGTH2.000 INCHES NOMINAL IN
SCALE INSCRIPTION/BACKGROUND COLORBLACK MARKING ON WHITE BACKGROUND
STYLE DESIGNATORSTRAIGHT FORM, VERTICAL DIAL
SURFACE TREATMENTENAMEL METER CASE
MATERIALSTEEL METER CASE
DESIGN TYPEFLUCTUATING
DIAL DIAMETER3.500 INCHES NOMINAL IN
SCALE MEASUREMENT RANGE+60.000 TO 260.000 DEG FAHRENHEIT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
107957Interchangeable
interchangeable cross-reference
interchangeable
352-7493Interchangeable
interchangeable cross-reference
interchangeable
T1772-117Interchangeable
interchangeable cross-reference
interchangeable
T1050Interchangeable
interchangeable cross-reference
interchangeable
SF5-6A-5Interchangeable
interchangeable cross-reference
interchangeable
85021Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 539-28?
539-28 is a SPRING manufactured by Tactic.
What parts can replace 539-28?
There are 24 known substitutes for 539-28: 107957, 352-7493, T1772-117 and 21 more. Substitute compatibility should be verified for your specific system.
Is 539-28 still available?
539-28 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