PartsTable
Technical Data Sheet
Download PDF

74A321661-2077 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

74A321661-2077: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include construction: SOLID, overall_length: 30.100 INCHES NOMINAL IN, fabrication_method: SOLID, cross-sectional_width: 0.275 INCHES NOMINAL IN, cross-sectional_height: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-146-5978, 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
74A321661-2077
NSN: 5330-01-146-5978
FSC: 5330 — Packing and Gasket Materials
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
constructionSOLID
overall_length30.100 INCHES NOMINAL IN
fabrication_methodSOLID
cross-sectional_width0.275 INCHES NOMINAL IN
cross-sectional_height0.250 INCHES NOMINAL IN
NSN5330-01-146-5978
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 74A321661-2077 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: 0.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.275 INCHES NOMINAL IN
•
FABRICATION METHOD: SOLID
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.250 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.275 INCHES NOMINAL IN
OVERALL LENGTH30.100 INCHES NOMINAL IN
FABRICATION METHODSOLID
CONSTRUCTIONSOLID
SUBSTITUTES & CROSS-REFERENCES 2
10116770Reference document
Same NSN cross-reference
Reference document — Informative reference only
74A321661-2077SPSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 74A321661-2077?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 74A321661-2077?
74A321661-2077 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What parts can replace 74A321661-2077?
There are 2 known substitutes for 74A321661-2077: 10116770, 74A321661-2077SP. Substitute compatibility should be verified for your specific system.
What is the NSN for 74A321661-2077?
74A321661-2077 is cataloged in the U.S. Government catalog under NSN 5330-01-146-5978. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 74A321661-2077