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149A4057 — STRAP,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

149A4057: STRAP,RETAINING.

The STRAP,RETAINING is a the manufacturer industrial component. Key specifications include cushion: NOT INCLUDED, material: ALUMINUM ALLOY 6061 LOCATION NOT OTHERWISE SPECIFIED, mounting_pad: NOT INCLUDED, overall_width: 0.630 INCHES NOMINAL IN, overall_length: 3.880 INCHES NOMINAL IN, style_designator: CURVED ARCH. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-784-5822, 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
149A4057
NSN: 5340-00-784-5822
FSC: 5340 — Hardware, Commercial
CAGE: 72429 — MISSION SYSTEMS DAVENPORT INC. (USA)
SPECIFICATIONS
cushionNOT INCLUDED
materialALUMINUM ALLOY 6061 LOCATION NOT OTHERWISE SPECIFIED
mounting_padNOT INCLUDED
overall_width0.630 INCHES NOMINAL IN
overall_length3.880 INCHES NOMINAL IN
style_designatorCURVED ARCH
surface_treatmentCHROMATE
material_thickness0.063 INCHES NOMINAL IN
mounting_hole_size0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
inside_diameter/arch_length2.179 INCHES NOMINAL IN
distance_between_mounting_hole_centers3.180 INCHES NOMINAL IN
distance_between_base_and_inside_of_arch2.340 INCHES NOMINAL IN
NSN5340-00-784-5822
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 149A4057 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: 0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 3.180 INCHES NOMINAL IN
•
MOUNTING PAD: NOT INCLUDED
•
STYLE DESIGNATOR: CURVED ARCH
•
MATERIAL THICKNESS: 0.063 INCHES NOMINAL IN
•
CUSHION: NOT INCLUDED
TECHNICAL CHARACTERISTICS
MOUNTING HOLE SIZE0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS3.180 INCHES NOMINAL IN
MOUNTING PADNOT INCLUDED
STYLE DESIGNATORCURVED ARCH
OVERALL LENGTH3.880 INCHES NOMINAL IN
OVERALL WIDTH0.630 INCHES NOMINAL IN
MATERIAL THICKNESS0.063 INCHES NOMINAL IN
CUSHIONNOT INCLUDED
DISTANCE BETWEEN BASE AND INSIDE OF ARCH2.340 INCHES NOMINAL IN
SURFACE TREATMENTCHROMATE
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 149A4057?
149A4057 is a STRAP,RETAINING.
What is the NSN for 149A4057?
149A4057 is cataloged in the U.S. Government catalog under NSN 5340-00-784-5822. This indicates validated use in U.S. government and defense supply chains.
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