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513R — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

513R: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-STYRENE CLASS SBR, hole_diameter: 0.156 INCHES NOMINAL IN, overall_height: 0.438 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN, style_designator: DONUT TOP COUNTERBORED, first_counterbore_depth: 0.250 INCHES NOMINAL IN, material_hardness_rating: 60.0 DUROMETER MINIMUM AND 70.0 DUROMETER MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-024-6501, 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
513R
NSN: 5340-01-024-6501
NIINs: 010246501, 014859547
FSC: 5340 — Hardware, Commercial
CAGE: 75543 — LAVELLE INDUSTRIES INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-STYRENE CLASS SBR
hole_diameter0.156 INCHES NOMINAL IN
overall_height0.438 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
style_designatorDONUT TOP COUNTERBORED
first_counterbore_depth0.250 INCHES NOMINAL IN
material_hardness_rating60.0 DUROMETER MINIMUM AND 70.0 DUROMETER MAXIMUM
first_counterbore_diameter0.312 INCHES NOMINAL IN
outside/top_flange_diameter0.563 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN
NSN5340-01-024-6501
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 513R 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
•
OUTSIDE/TOP FLANGE DIAMETER: 0.625 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 70.0 DUROMETER NOMINAL
•
FIRST COUNTERBORE DIAMETER: 0.312 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT TOP COUNTERBORED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2000 ASSN STD SINGLE MATERIAL RESPONSE
•
FIRST COUNTERBORE DEPTH: 0.250 INCHES NOMINAL IN
•
COLOR: BLACK
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.500 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER0.625 INCHES NOMINAL IN
MATERIAL HARDNESS RATING70.0 DUROMETER NOMINAL
FIRST COUNTERBORE DIAMETER0.312 INCHES NOMINAL IN
STYLE DESIGNATORFLAT TOP COUNTERBORED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2000 ASSN STD SINGLE MATERIAL RESPONSE
FIRST COUNTERBORE DEPTH0.250 INCHES NOMINAL IN
COLORBLACK
MATERIALRUBBER
HOLE DIAMETER0.156 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
135328-3Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 513R?
513R is a BUMPER.
What parts can replace 513R?
There is 1 known substitute for 513R: 135328-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 513R?
513R is cataloged in the U.S. Government catalog under NSN 5340-01-024-6501. 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.