PartsTable
Technical Data Sheet
L28299 ✓ Verified by PartsTable
· HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

LINE,RADIO FREQUENCY TRANSMISSIO. Key specifications include material: STEEL CORROSION RESISTING VALVE HEAD, body_design: ANGLE PATTERN, design_type: THERMOSTATIC, furnished_items: STRAINER, thread_direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED, inlet_connection_type: FEMALE IRON PIPE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-5441, 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
L28299
NSN: 4730-00-277-5441
FSC: 4730
CAGE: 53059 — SPIRAX SARCO INC DBA SPIRAX SARCO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING VALVE HEAD
body_designANGLE PATTERN
design_typeTHERMOSTATIC
furnished_itemsSTRAINER
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
inlet_connection_typeFEMALE IRON PIPE
outlet_connection_typeFEMALE IRON PIPE
maximum_steam_working_pressureERR-060
screw_thread_series_designatorNPT LOCATION NOT OTHERWISE SPECIFIED
rated_capacity_at_maximum_working_pressure1950.0 POUNDS OF WATER PER HOUR LBS
NSN4730-00-277-5441
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: L28299 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
THREAD DIRECTION: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
DESIGN TYPE: THERMOSTATIC
FURNISHED ITEMS: STRAINER
MATERIAL: STEEL CORROSION RESISTING VALVE SEAT
SCREW THREAD SERIES DESIGNATOR: NPT LOCATION NOT OTHERWISE SPECIFIED
INLET CONNECTION TYPE: FEMALE IRON PIPE
OUTLET CONNECTION TYPE: FEMALE IRON PIPE
BODY DESIGN: ANGLE PATTERN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
DESIGN TYPETHERMOSTATIC
FURNISHED ITEMSSTRAINER
MATERIALSTEEL CORROSION RESISTING VALVE SEAT
SCREW THREAD SERIES DESIGNATORNPT LOCATION NOT OTHERWISE SPECIFIED
INLET CONNECTION TYPEFEMALE IRON PIPE
OUTLET CONNECTION TYPEFEMALE IRON PIPE
BODY DESIGNANGLE PATTERN
RATED CAPACITY AT MAXIMUM WORKING PRESSURE1950.0 POUNDS OF WATER PER HOUR LBS
MATERIALSTEEL CORROSION RESISTING VALVE HEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
3703Interchangeable
interchangeable cross-reference
interchangeable
577R723H02Interchangeable
interchangeable cross-reference
interchangeable
1003704-13Interchangeable
interchangeable cross-reference
interchangeable
387993C91Interchangeable
interchangeable cross-reference
interchangeable
FD72280Interchangeable
interchangeable cross-reference
interchangeable
1452Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is L28299?
L28299 is a LINE,RADIO FREQUENCY TRANSMISSIO.
What parts can replace L28299?
There are 27 known substitutes for L28299: 3703, 577R723H02, 1003704-13 and 24 more. Substitute compatibility should be verified for your specific system.
Is L28299 still available?
L28299 is currently cancelled.
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