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H552-0405-42 — PLUNGER,DETENT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H552-0405-42: PLUNGER,DETENT.

The PLUNGER,DETENT is a the manufacturer industrial component. Key specifications include length: 1.313 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, diameter: 0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, material: STEEL COMP 316 OVERALL, part_name_assigned_by_controlling_agency: PLUNGER, PAWL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-499-5161, 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
H552-0405-42
NSN: 5340-01-499-5161
FSC: 5340 — Hardware, Commercial
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
length1.313 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
diameter0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
materialSTEEL COMP 316 OVERALL
part_name_assigned_by_controlling_agencyPLUNGER, PAWL
NSN5340-01-499-5161
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H552-0405-42 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: 1.313 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
DIAMETER: 0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
MATERIAL: STEEL COMP 316 OVERALL
TECHNICAL CHARACTERISTICS
LENGTH1.313 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
DIAMETER0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPLUNGER, PAWL
MATERIALSTEEL COMP 316 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
6984943Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 H552-0405-42?
H552-0405-42 is a PLUNGER,DETENT.
What parts can replace H552-0405-42?
There is 1 known substitute for H552-0405-42: 6984943. Substitute compatibility should be verified for your specific system.
What is the NSN for H552-0405-42?
H552-0405-42 is cataloged in the U.S. Government catalog under NSN 5340-01-499-5161. 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.