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PartsTable / COMPONENT / 309550
309550 ✓ 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 VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1109 OR STEEL COMP 1212 OR STEEL COMP 1213 OVERALL, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS, flow_control_device: POPPET. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-932-0322, 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
309550
NSN: 5340-00-932-0322
FSC: 5340
CAGE: 3B4M0 — LUCENT TECHNOLOGIES INC CORPORATE HEADQUARTERS (USA)
SPECIFICATIONS
materialSTEEL COMP 1109 OR STEEL COMP 1212 OR STEEL COMP 1213 OVERALL
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
flow_control_devicePOPPET
nominal_thread_size0.125 INCHES ALL ENDS IN
valve_operation_methodAUTOMATIC
thread_series_designatorPTF-SPL SHORT ALL ENDS
specification/standard_data96906-MS35670 GOVERNMENT STANDARD
material_document_and_classificationQQ-S-637,COMP 1109,1212 OR 1213 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5340-00-932-0322
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 309550 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
•
SUPPORTING OBJECT/SURFACE ATTACHMENT METHOD: ONE MTG HOLE
•
FSC APPLICATION DATA: TELETYPE AND FACSIMILE EQUIPMENT
•
MATERIAL: STEEL
•
ATTACHMENT TO ITEM SUPPORTED METHOD: HOLDS ITEM BY ARM
TECHNICAL CHARACTERISTICS (FLIS)
SUPPORTING OBJECT/SURFACE ATTACHMENT METHODONE MTG HOLE
FSC APPLICATION DATATELETYPE AND FACSIMILE EQUIPMENT
MATERIALSTEEL
ATTACHMENT TO ITEM SUPPORTED METHODHOLDS ITEM BY ARM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
309550Interchangeable
interchangeable cross-reference
interchangeable
4820010707670Interchangeable
interchangeable cross-reference
interchangeable
MS35670Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 309550?
309550 is a VALVE,SAFETY RELIEF.
What parts can replace 309550?
There are 3 known substitutes for 309550: 309550, 4820010707670, MS35670. Substitute compatibility should be verified for your specific system.
What is the NSN for 309550?
309550 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-932-0322. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026