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3999-31-121-0003 — 3999-31-121-0003

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3999-31-121-0003: 3999-31-121-0003.

The 3999-31-121-0003 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5935-01-453-4395, 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
3999-31-121-0003
NSN: 5935-01-453-4395
FSC: 5935 — Connectors, Electrical
CAGE: 3N087 — MILL-MAX MFG CORP (USA)
SPECIFICATIONS
Part Number3999-31-121-0003
NSN5935-01-453-4395
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 3999-31-121-0003 TITLE COMPONENT PN 3999-31-121-0003 MFR 3999-31-121-0003
KEY FEATURES
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BODY STYLE: RIGHT ANGLE TYPE
•
CONTACT MATERIAL: COPPER ALLOY SINGLE MATING END ALL CONTACT GROUPINGS
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MATING END QUANTITY: 1
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PRECIOUS MATERIAL: GOLD
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INCLUDED CONTACT QUANTITY: 12 SINGLE MATING END ALL CONTACT GROUPINGS
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INCLUDED CONTACT TYPE: SPRING SINGLE MATING END ALL CONTACT GROUPINGS
•
CONTACT SURFACE TREATMENT: GOLD SINGLE MATING END ALL CONTACT GROUPINGS
TECHNICAL CHARACTERISTICS
BODY STYLERIGHT ANGLE TYPE
CONTACT MATERIALCOPPER ALLOY SINGLE MATING END ALL CONTACT GROUPINGS
MATING END QUANTITY1
PRECIOUS MATERIALGOLD
INCLUDED CONTACT QUANTITY12 SINGLE MATING END ALL CONTACT GROUPINGS
INCLUDED CONTACT TYPESPRING SINGLE MATING END ALL CONTACT GROUPINGS
CONTACT SURFACE TREATMENTGOLD SINGLE MATING END ALL CONTACT GROUPINGS
SUBSTITUTES & CROSS-REFERENCES 1
170064-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3999-31-121-0003?
3999-31-121-0003 is a 3999-31-121-0003.
What parts can replace 3999-31-121-0003?
There is 1 known substitute for 3999-31-121-0003: 170064-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 3999-31-121-0003?
3999-31-121-0003 is cataloged in the U.S. Government catalog under NSN 5935-01-453-4395. 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.