PartsTable
Technical Data Sheet
Download PDF

77790-3 — PANEL,BLANK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

77790-3: PANEL,BLANK.

The PANEL,BLANK is a the manufacturer industrial component. Key specifications include overall_width: 34.0 INCHES NOMINAL IN, overall_height: 12.0 INCHES NOMINAL IN, style_designator: BLANK, PLAIN DESIGN, end_item_identification: 777 INTEGRATED DIAGNOSTIC SYSTEMS. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-641-3787, 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
77790-3
NSN: 5340-01-641-3787
FSC: 5340 — Hardware, Commercial
CAGE: 05CJ3 — WELCH ALLYN, INC. (USA)
SPECIFICATIONS
overall_width34.0 INCHES NOMINAL IN
overall_height12.0 INCHES NOMINAL IN
style_designatorBLANK, PLAIN DESIGN
end_item_identification777 INTEGRATED DIAGNOSTIC SYSTEMS
NSN5340-01-641-3787
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 77790-3 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
•
STYLE DESIGNATOR: BLANK, PLAIN DESIGN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT12.0 INCHES NOMINAL IN
STYLE DESIGNATORBLANK, PLAIN DESIGN
OVERALL WIDTH34.0 INCHES NOMINAL IN
END ITEM IDENTIFICATION777 INTEGRATED DIAGNOSTIC SYSTEMS
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 77790-3?
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 77790-3?
77790-3 is a PANEL,BLANK.
What is the NSN for 77790-3?
77790-3 is cataloged in the U.S. Government catalog under NSN 5340-01-641-3787. 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 — 77790-3

✓ 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.