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140334H1 — PLUNGER,DETENT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

140334H1: PLUNGER,DETENT.

The PLUNGER,DETENT is a the manufacturer industrial component. Key specifications include length: 1.309 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, diameter: 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, material: STEEL COMP 1015 OVERALL, material_document_and_classification: SAE 1015 ASSN STD SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-592-3904, 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
140334H1
NSN: 5340-00-592-3904
FSC: 5340 — Hardware, Commercial
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
length1.309 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
diameter0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
materialSTEEL COMP 1015 OVERALL
material_document_and_classificationSAE 1015 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-00-592-3904
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 140334H1 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
•
LENGTH: 1.309 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1015 ASSN STD SINGLE MATERIAL RESPONSE
•
DIAMETER: 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
MATERIAL: STEEL COMP 1015 OVERALL
TECHNICAL CHARACTERISTICS
LENGTH1.309 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1015 ASSN STD SINGLE MATERIAL RESPONSE
DIAMETER0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIALSTEEL COMP 1015 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
140334Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 140334H1?
140334H1 is a PLUNGER,DETENT.
What parts can replace 140334H1?
There is 1 known substitute for 140334H1: 140334. Substitute compatibility should be verified for your specific system.
What is the NSN for 140334H1?
140334H1 is cataloged in the U.S. Government catalog under NSN 5340-00-592-3904. 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.