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1816621-1 — RUBBER STRIP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1816621-1: RUBBER STRIP.

The RUBBER STRIP is a the manufacturer industrial component. Key specifications include fsc_application_data: VERTICAL GYRO, end_item_identification: C-141 ACFT. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-491-1479, 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
1816621-1
NSN: 5330-00-491-1479
NIINs: 004911479, 010352010
FSC: 5330 — Packing and Gasket Materials
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
fsc_application_dataVERTICAL GYRO
end_item_identificationC-141 ACFT
NSN5330-00-491-1479
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1816621-1 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
•
LENGTH: 6.000 INCHES MINIMUM AND 6.187 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.500 INCHES NOMINAL IN
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CROSS-SECTIONAL WIDTH: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
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MATERIAL DOCUMENT AND CLASSIFICATION: TYPE GPA, SPERRY RAND CORP MFR REF SINGLE MATERIAL RESPONSE
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SURFACE CONDITION: SMOOTH BOTH SIDES
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CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
LENGTH6.000 INCHES MINIMUM AND 6.187 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.500 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONTYPE GPA, SPERRY RAND CORP MFR REF SINGLE MATERIAL RESPONSE
SURFACE CONDITIONSMOOTH BOTH SIDES
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1816621-1?
1816621-1 is a RUBBER STRIP.
What is the NSN for 1816621-1?
1816621-1 is cataloged in the U.S. Government catalog under NSN 5330-00-491-1479. 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.