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GS179V1 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

GS179V1: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include material: ALUMINUM ALLOY 2024 INTERNALLY MOLDED-IN REINFORCEMENT, construction: SOLIDSOLID, attachment_method: CEMENTEDCEMENTED, fabrication_method: SOLIDSOLID, cross-sectional_width: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN, cross-sectional_height: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-128-6074, 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
GS179V1
NSN: 5330-01-128-6074
FSC: 5330 — Packing and Gasket Materials
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 INTERNALLY MOLDED-IN REINFORCEMENT
constructionSOLIDSOLID
attachment_methodCEMENTEDCEMENTED
fabrication_methodSOLIDSOLID
cross-sectional_width1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
cross-sectional_height0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
material_document_and_classificationQQ-A-250/4,T3 FED SPEC SINGLE MATERIAL RESPONSE INTERNALLY MOLDED-IN REINFORCEMENT
NSN5330-01-128-6074
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: GS179V1 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ZZ-R-765,CL 2B,GR 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: ALUMINUM ALLOY 2024 INTERNALLY MOLDED-IN REINFORCEMENT
•
FABRICATION METHOD: SOLIDSOLID
•
CONSTRUCTION: SOLIDSOLID
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765,CL 2B,GR 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4,T3 FED SPEC SINGLE MATERIAL RESPONSE INTERNALLY MOLDED-IN REINFORCEMENT
MATERIALALUMINUM ALLOY 2024 INTERNALLY MOLDED-IN REINFORCEMENT
MATERIALRUBBER SILICONE CLASS Q OVERALL
FABRICATION METHODSOLIDSOLID
CONSTRUCTIONSOLIDSOLID
ATTACHMENT METHODCEMENTEDCEMENTED
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GS179V1?
GS179V1 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What is the NSN for GS179V1?
GS179V1 is cataloged in the U.S. Government catalog under NSN 5330-01-128-6074. 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.