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1979877 — WINDOW,MARINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1979877: WINDOW,MARINE.

The WINDOW,MARINE is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY, part_name_assigned_by_controlling_agency: WINDOW, HEATED HEAD. This part is cataloged in the U.S.

Government catalog under NSN 2090-01-379-9816, 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
1979877
NSN: 2090-01-379-9816
NIINs: 013799816, 016652011
FSC: 2090 — Miscellaneous Ship and Marine Equipment
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
part_name_assigned_by_controlling_agencyWINDOW, HEATED HEAD
NSN2090-01-379-9816
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WINDOW,MARINE TITLE COMPONENT PN 1979877 MFR WINDOW,MARINE
KEY FEATURES
•
LENGTH: 40.64 MILLIMETERS NOMINAL MM
•
SPIGOT: NOT INCLUDED
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
FRAME MATERIAL: STEEL
•
FRAME TYPE: FLANGED
•
FRAME SHAPE: RECTANGULAR
•
WIDTH: 191.0 MILLIMETERS NOMINAL MM
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
TECHNICAL CHARACTERISTICS
LENGTH40.64 MILLIMETERS NOMINAL MM
SPIGOTNOT INCLUDED
CRITICALITY CODE JUSTIFICATIONZZZY
FRAME MATERIALSTEEL
FRAME TYPEFLANGED
FRAME SHAPERECTANGULAR
WIDTH191.0 MILLIMETERS NOMINAL MM
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
SUBSTITUTES & CROSS-REFERENCES 1
1979877L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 1979877?
1979877 is a WINDOW,MARINE.
What parts can replace 1979877?
There is 1 known substitute for 1979877: 1979877L1. Substitute compatibility should be verified for your specific system.
What is the NSN for 1979877?
1979877 is cataloged in the U.S. Government catalog under NSN 2090-01-379-9816. 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.