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LF-3 — STRAP,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

LF-3: STRAP,RETAINING.

The STRAP,RETAINING is a the manufacturer industrial component. Key specifications include cushion: INCLUDED, material: ALUMINUM ALLOY 5052 LOCATION NOT OTHERWISE SPECIFIED, mounting_pad: NOT INCLUDED, overall_width: 0.171 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN, overall_length: 1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN, special_features: COLOR GREEN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-216-1728, 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
LF-3
NSN: 5340-01-216-1728
FSC: 5340 — Hardware, Commercial
CAGE: 17401 — ELECTRO FREETO MANUFACTURING COMPANY INC (USA)
SPECIFICATIONS
cushionINCLUDED
materialALUMINUM ALLOY 5052 LOCATION NOT OTHERWISE SPECIFIED
mounting_padNOT INCLUDED
overall_width0.171 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
overall_length1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN
special_featuresCOLOR GREEN
style_designatorSTRAIGHT ARCH
surface_treatmentCHROMATE AND PAINT
material_thickness0.047 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
mounting_hole_size0.066 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
inside_diameter/arch_length0.509 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN
distance_between_mounting_hole_centers0.933 INCHES MINIMUM AND 0.943 INCHES MAXIMUM IN
NSN5340-01-216-1728
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LF-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
•
MOUNTING HOLE SIZE: 0.066 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 0.933 INCHES MINIMUM AND 0.943 INCHES MAXIMUM IN
•
MOUNTING PAD: NOT INCLUDED
•
STYLE DESIGNATOR: STRAIGHT ARCH
•
MATERIAL THICKNESS: 0.047 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
•
CUSHION: INCLUDED
TECHNICAL CHARACTERISTICS
MOUNTING HOLE SIZE0.066 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS0.933 INCHES MINIMUM AND 0.943 INCHES MAXIMUM IN
MOUNTING PADNOT INCLUDED
STYLE DESIGNATORSTRAIGHT ARCH
OVERALL LENGTH1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN
OVERALL WIDTH0.171 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
MATERIAL THICKNESS0.047 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
CUSHIONINCLUDED
DISTANCE BETWEEN BASE AND INSIDE OF ARCH0.078 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
SPECIAL FEATURESCOLOR GREEN
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 1
975515-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 LF-3?
LF-3 is a STRAP,RETAINING.
What parts can replace LF-3?
There is 1 known substitute for LF-3: 975515-3. Substitute compatibility should be verified for your specific system.
What is the NSN for LF-3?
LF-3 is cataloged in the U.S. Government catalog under NSN 5340-01-216-1728. 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.