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639AS1376 — STRAP,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

639AS1376: STRAP,RETAINING.

The STRAP,RETAINING is a the manufacturer industrial component. Key specifications include cushion: NOT INCLUDED, material: STEEL COMP 1009 LOCATION NOT OTHERWISE SPECIFIED, mounting_pad: NOT INCLUDED, overall_width: 1.000 INCHES NOMINAL IN, overall_length: 3.500 INCHES NOMINAL IN, style_designator: CURVED ARCH. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-166-9137, 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
639AS1376
NSN: 5340-01-166-9137
FSC: 5340 — Hardware, Commercial
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
cushionNOT INCLUDED
materialSTEEL COMP 1009 LOCATION NOT OTHERWISE SPECIFIED
mounting_padNOT INCLUDED
overall_width1.000 INCHES NOMINAL IN
overall_length3.500 INCHES NOMINAL IN
style_designatorCURVED ARCH
surface_treatmentCADMIUM AND CHROMATE
material_thickness0.125 INCHES NOMINAL IN
mounting_hole_size0.265 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN
distance_between_mounting_hole_centers2.500 INCHES NOMINAL IN
distance_between_base_and_inside_of_arch0.375 INCHES NOMINAL IN
NSN5340-01-166-9137
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 639AS1376 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: 0.265 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 2.500 INCHES NOMINAL IN
•
MOUNTING PAD: NOT INCLUDED
•
STYLE DESIGNATOR: CURVED ARCH
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
CUSHION: NOT INCLUDED
TECHNICAL CHARACTERISTICS
MOUNTING HOLE SIZE0.265 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS2.500 INCHES NOMINAL IN
MOUNTING PADNOT INCLUDED
STYLE DESIGNATORCURVED ARCH
OVERALL LENGTH3.500 INCHES NOMINAL IN
OVERALL WIDTH1.000 INCHES NOMINAL IN
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
CUSHIONNOT INCLUDED
DISTANCE BETWEEN BASE AND INSIDE OF ARCH0.375 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM AND CHROMATE
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
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FREQUENTLY ASKED QUESTIONS
What is 639AS1376?
639AS1376 is a STRAP,RETAINING.
What is the NSN for 639AS1376?
639AS1376 is cataloged in the U.S. Government catalog under NSN 5340-01-166-9137. This indicates validated use in U.S. government and defense supply chains.
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