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Technical Data Sheet
5184129 PIECE 8 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The DOORSTOP is a the manufacturer industrial component. Key specifications include material: STEEL ROD, special_features: NON-HANDED ITEM, special_test_features: STOP IS FILLED WITH MIL-H-17572 HYDRAULIC FLUID AND IS USED TO CONTROL THE CLOSING SPEED OF THE DOOR, supplementary_features: CAST SILICONE BRONZE HOUSING, STEEL PISTON WITH HARDENED ROD, part_name_assigned_by_controlling_agency: DOOR CHECK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-133-0631, 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
5184129 PIECE 8
NSN: 5340-01-133-0631
FSC: 5340
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL ROD
special_featuresNON-HANDED ITEM
special_test_featuresSTOP IS FILLED WITH MIL-H-17572 HYDRAULIC FLUID AND IS USED TO CONTROL THE CLOSING SPEED OF THE DOOR
supplementary_featuresCAST SILICONE BRONZE HOUSING, STEEL PISTON WITH HARDENED ROD
part_name_assigned_by_controlling_agencyDOOR CHECK
NSN5340-01-133-0631
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5184129 PIECE 8 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
MATERIAL: COPPER ALLOY HOUSING
SPECIAL TEST FEATURES: STOP IS FILLED WITH MIL-H-17572 HYDRAULIC FLUID AND IS USED TO CONTROL THE CLOSING SPEED OF THE DOOR
SUPPLEMENTARY FEATURES: CAST SILICONE BRONZE HOUSING, STEEL PISTON WITH HARDENED ROD
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY HOUSING
PART NAME ASSIGNED BY CONTROLLING AGENCYDOOR CHECK
SPECIAL FEATURESNON-HANDED ITEM
MATERIALSTEEL ROD
SPECIAL TEST FEATURESSTOP IS FILLED WITH MIL-H-17572 HYDRAULIC FLUID AND IS USED TO CONTROL THE CLOSING SPEED OF THE DOOR
SUPPLEMENTARY FEATURESCAST SILICONE BRONZE HOUSING, STEEL PISTON WITH HARDENED ROD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
1393Interchangeable
interchangeable cross-reference
interchangeable
21-0ALT3Interchangeable
interchangeable cross-reference
interchangeable
29129Interchangeable
interchangeable cross-reference
interchangeable
S0689Interchangeable
interchangeable cross-reference
interchangeable
432Interchangeable
interchangeable cross-reference
interchangeable
6002-392Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5184129 PIECE 8?
5184129 PIECE 8 is a DOORSTOP.
What parts can replace 5184129 PIECE 8?
There are 19 known substitutes for 5184129 PIECE 8: 1393, 21-0ALT3, 29129 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5184129 PIECE 8?
5184129 PIECE 8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-133-0631. This indicates validated use in U.S. government and defense supply chains.
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