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5611991 — 5611991

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

5611991: 5611991.

The 5611991 is a the manufacturer industrial component. Key specifications include supplementary_features: INTERFACE COLLAR,PERISCOPE HEAD,LEFT ASSY, end_item_identification: TY8B MOD3 PERISCOPE RCU. This part is cataloged in the U.S.

Government catalog under NSN 6625-01-422-5145, 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→ 5611991
NSN: 6625-01-422-5145
FSC: 6625 — Electrical and Electronic Properties Measuring and Testing Instruments
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
supplementary_featuresINTERFACE COLLAR,PERISCOPE HEAD,LEFT ASSY
end_item_identificationTY8B MOD3 PERISCOPE RCU
NSN6625-01-422-5145
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 5611991 TITLE COMPONENT PN 5611991 MFR 5611991
KEY FEATURES
•
SUPPLEMENTARY FEATURES: INTERFACE COLLAR,PERISCOPE HEAD,LEFT ASSY
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESINTERFACE COLLAR,PERISCOPE HEAD,LEFT ASSY
END ITEM IDENTIFICATIONTY8B MOD3 PERISCOPE RCU
OTHER ITEMS IN FSC 6625 — Electrical and Electronic Properties Measuring and Testing Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6625-00-000-0309 6625-00-000-0480 6625-00-001-1338 6625-00-001-1341 6625-00-001-1371 6625-00-001-1373 6625-00-001-1374 6625-00-001-1377
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (P)
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FREQUENTLY ASKED QUESTIONS
What is 5611991?
5611991 is a 5611991. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 5611991?
5611991 is cataloged in the U.S. Government catalog under NSN 6625-01-422-5145. 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.