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139777 — FUSE,ENCLOSED LINK

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

139777: FUSE,ENCLOSED LINK.

The FUSE,ENCLOSED LINK is a the manufacturer industrial component. Key specifications include cushion: NOT INCLUDED, material: STEEL COMP 1095 LOCATION NOT OTHERWISE SPECIFIED, body_style: RECTANGULAR PLUG-IN, head_style: FLAT COUNTERSUNK, mounting_pad: NOT INCLUDED, thread_class: 2A A. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-597-9661, 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
MRO→ MRO_GENERAL→ 139777
NSN: 5340-00-597-9661
NIINs: 005979661, 007544254, 016451109
FSC: 5340 — Hardware, Commercial
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
cushionNOT INCLUDED
materialSTEEL COMP 1095 LOCATION NOT OTHERWISE SPECIFIED
body_styleRECTANGULAR PLUG-IN
head_styleFLAT COUNTERSUNK
mounting_padNOT INCLUDED
thread_class2A A
head_diameter0.188 INCHES NOMINAL IN
overall_width0.620 INCHES NOMINAL IN
thread_length0.219 INCHES MINIMUM IN
overall_length1.625 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length0.250 INCHES NOMINAL IN
NSN5340-00-597-9661
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 139777 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
•
MOUNTING HOLE SIZE: 0.219 INCHES NOMINAL IN
•
MOUNTING PAD: NOT INCLUDED
•
MATERIAL THICKNESS: 0.031 INCHES NOMINAL IN
•
CUSHION: NOT INCLUDED
•
DISTANCE BETWEEN BASE AND INSIDE OF ARCH: 0.6745 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM
TECHNICAL CHARACTERISTICS
MOUNTING HOLE SIZE0.219 INCHES NOMINAL IN
MOUNTING PADNOT INCLUDED
OVERALL LENGTH1.625 INCHES NOMINAL IN
OVERALL WIDTH0.620 INCHES NOMINAL IN
MATERIAL THICKNESS0.031 INCHES NOMINAL IN
CUSHIONNOT INCLUDED
DISTANCE BETWEEN BASE AND INSIDE OF ARCH0.6745 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM
MATERIALSTEEL COMP 1095 LOCATION NOT OTHERWISE SPECIFIED
CENTER TO CENTER DISTANCE BETWEEN ARCH AND MOUNTING HOLE0.8545 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 139777?
139777 is a FUSE,ENCLOSED LINK. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 139777?
139777 is cataloged in the U.S. Government catalog under NSN 5340-00-597-9661. 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.