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Technical Data Sheet
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S1481 — HEATER,RADIO ASSEMB

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

S1481: HEATER,RADIO ASSEMB.

The HEATER,RADIO ASSEMB is a the manufacturer industrial component. Key specifications include end_item_identification: RADIOSONDE SURFACE OBSERVING INSTRUMENTATION SYSTEM (RSOIS). This part is cataloged in the U.S.

Government catalog under NSN 5360-00-664-5002, 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
S1481
NSN: 5360-00-664-5002
NIINs: 006645002, 014812551
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 77260 — PIERCE CO INC THE SUB OF AVIS INDUSTRIAL CORP (USA)
SPECIFICATIONS
end_item_identificationRADIOSONDE SURFACE OBSERVING INSTRUMENTATION SYSTEM (RSOIS)
NSN5360-00-664-5002
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEATER,RADIO ASSEMB TITLE COMPONENT PN S1481 MFR HEATER,RADIO ASSEMB
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.196 INCHES MINIMUM AND 0.206 INCHES MAXIMUM IN
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
•
STYLE DESIGNATOR: CONVEX
•
SPRING FREE LENGTH: 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.105 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN
•
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
•
BORE DIAMETER: 0.213 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.196 INCHES MINIMUM AND 0.206 INCHES MAXIMUM IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
STYLE DESIGNATORCONVEX
SPRING FREE LENGTH0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
INSIDE DIAMETER0.105 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
BORE DIAMETER0.213 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
75312Reference document
Same NSN cross-reference
Reference document — Secondary reference
1009332M1Reference document
Same NSN cross-reference
Reference document — Secondary reference
D75312Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S1481?
S1481 is a HEATER,RADIO ASSEMB.
What parts can replace S1481?
There are 3 known substitutes for S1481: 75312, 1009332M1, D75312. Substitute compatibility should be verified for your specific system.
What is the NSN for S1481?
S1481 is cataloged in the U.S. Government catalog under NSN 5360-00-664-5002. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.