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Technical Data Sheet
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HK5L3135-1 — CATCH,FLUSH

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

HK5L3135-1: CATCH,FLUSH.

The CATCH,FLUSH is a the manufacturer industrial component. Key specifications include width: 1.840 INCHES MINIMUM AND 1.900 INCHES MAXIMUM IN, length: 2.000 INCHES NOMINAL IN, material: UNABLE TO DECODE, special_features: MATL:BRACKET STEEL,RIVET STEEL,LEVER ALUM. ALLOY;S/TREATMENT:LEVER ANODIZED,BRACKET CADMIUM,RIVET PASS., style_designator: FLUSH LEVER ACTUATOR, surface_treatment: UNABLE TO DECODE.

This part is cataloged in the U.S. Government catalog under NSN 5340-01-241-1728, 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
HK5L3135-1
NSN: 5340-01-241-1728
FSC: 5340 — Hardware, Commercial
CAGE: 69370 — HO-HO-KUS, INC (USA)
SPECIFICATIONS
width1.840 INCHES MINIMUM AND 1.900 INCHES MAXIMUM IN
length2.000 INCHES NOMINAL IN
materialUNABLE TO DECODE
special_featuresMATL:BRACKET STEEL,RIVET STEEL,LEVER ALUM. ALLOY;S/TREATMENT:LEVER ANODIZED,BRACKET CADMIUM,RIVET PASS.
style_designatorFLUSH LEVER ACTUATOR
surface_treatmentUNABLE TO DECODE
bolt_offset_distance0.326 INCHES NOMINAL IN
lever_offset_distance0.163 INCHES NOMINAL IN
mounting_hole_diameter0.161 INCHES NOMINAL IN
end_item_identificationAIRCRAFT, HORNET F/A-18; F/A-18E/F HORNET AIRCRAFT; AIRCRAFT, EAGLE F-15
center_to_center_distance_between_mounting_holes_along_width1.345 INCHES MINIMUM AND 1.405 INCHES MAXIMUM IN
center_to_center_distance_between_mounting_holes_along_length1.125 INCHES NOMINAL IN
NSN5340-01-241-1728
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HK5L3135-1 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
•
BOLT OFFSET DISTANCE: 0.326 INCHES NOMINAL IN
•
LENGTH: 2.000 INCHES NOMINAL IN
•
LEVER OFFSET DISTANCE: 0.163 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLUSH LEVER ACTUATOR
•
MOUNTING HOLE DIAMETER: 0.161 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH: 1.345 INCHES MINIMUM AND 1.405 INCHES MAXIMUM IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH: 1.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BOLT OFFSET DISTANCE0.326 INCHES NOMINAL IN
LENGTH2.000 INCHES NOMINAL IN
LEVER OFFSET DISTANCE0.163 INCHES NOMINAL IN
STYLE DESIGNATORFLUSH LEVER ACTUATOR
MOUNTING HOLE DIAMETER0.161 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH1.345 INCHES MINIMUM AND 1.405 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH1.125 INCHES NOMINAL IN
SPECIAL FEATURESMATL:BRACKET STEEL,RIVET STEEL,LEVER ALUM. ALLOY;S/TREATMENT:LEVER ANODIZED,BRACKET CADMIUM,RIVET PASS.
SURFACE TREATMENTUNABLE TO DECODE
WIDTH1.840 INCHES MINIMUM AND 1.900 INCHES MAXIMUM IN
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 3
10113009Reference document
Same NSN cross-reference
Reference document — Informative reference only
15QRP21-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
9M916-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HK5L3135-1?
HK5L3135-1 is a CATCH,FLUSH.
What parts can replace HK5L3135-1?
There are 3 known substitutes for HK5L3135-1: 10113009, 15QRP21-1, 9M916-1. Substitute compatibility should be verified for your specific system.
What is the NSN for HK5L3135-1?
HK5L3135-1 is cataloged in the U.S. Government catalog under NSN 5340-01-241-1728. 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.