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673173-103 — CONTROL UNIT,BLEED AIR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

673173-103: CONTROL UNIT,BLEED AIR.

The CONTROL UNIT,BLEED AIR is a the manufacturer industrial component. Key specifications include end_item_identification: ACFT MODEL S-3A A, general_characteristics_item_description: 2.687 IN. MAX H,4.270 IN.

W OF BASE IN. This part is cataloged in the U.S. Government catalog under NSN 1680-00-372-5542, 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
673173-103
NSN: 1680-00-372-5542
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
end_item_identificationACFT MODEL S-3A A
general_characteristics_item_description2.687 IN. MAX H,4.270 IN. W OF BASE IN
NSN1680-00-372-5542
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONTROL UNIT,BLEED AIR TITLE COMPONENT PN 673173-103 MFR CONTROL UNIT,BLEED AIR
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 2.687 IN. MAX H,4.270 IN. W OF BASE IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION2.687 IN. MAX H,4.270 IN. W OF BASE IN
END ITEM IDENTIFICATIONACFT MODEL S-3A A
OTHER ITEMS IN FSC 1680 — Miscellaneous Aircraft Accessories and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1680-00-001-1736 1680-00-003-3721 1680-00-009-3782 1680-00-009-6180 1680-00-475-0002 1680-00-696-6170 1680-00-867-7158 1680-00-885-0923
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 673173-103?
673173-103 is a CONTROL UNIT,BLEED AIR.
What is the NSN for 673173-103?
673173-103 is cataloged in the U.S. Government catalog under NSN 1680-00-372-5542. 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.