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S11321 1-2INTHRD — Technical Data Sheet

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— · 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

The RESTRICTOR UNIT,FLUID FLOW is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY ORIFICE, body_design: STRAIGHT PATTERN, design_type: NONTHERMOSTATIC, furnished_items: STRAINER, thread_direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED, maximum_steam_working_pressure: ERR-060. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4730-00-270-4341, 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
S11321 1-2INTHRD
NSN: 4730-00-270-4341
FSC: 4730
CAGE: 32373 — SFC VALVE CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY ORIFICE
body_designSTRAIGHT PATTERN
design_typeNONTHERMOSTATIC
furnished_itemsSTRAINER
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
maximum_steam_working_pressureERR-060
screw_thread_series_designatorUN LOCATION NOT OTHERWISE SPECIFIED
rated_capacity_at_maximum_working_pressure1725.000 POUNDS OF WATER PER HOUR LBS
NSN4730-00-270-4341
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: S11321 1-2INTHRD · 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
•
DESIGN TYPE: NONTHERMOSTATIC
•
RATED CAPACITY AT MAXIMUM WORKING PRESSURE: 1725.000 POUNDS OF WATER PER HOUR LBS
•
BODY DESIGN: STRAIGHT PATTERN
•
MATERIAL: COPPER ALLOY ORIFICE
•
FURNISHED ITEMS: STRAINER
•
MAXIMUM STEAM WORKING PRESSURE: ERR-060
•
SCREW THREAD SERIES DESIGNATOR: UN LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS
DESIGN TYPENONTHERMOSTATIC
RATED CAPACITY AT MAXIMUM WORKING PRESSURE1725.000 POUNDS OF WATER PER HOUR LBS
BODY DESIGNSTRAIGHT PATTERN
MATERIALCOPPER ALLOY ORIFICE
FURNISHED ITEMSSTRAINER
MAXIMUM STEAM WORKING PRESSUREERR-060
MATERIALNICKEL ALLOY TUBE
SCREW THREAD SERIES DESIGNATORUN LOCATION NOT OTHERWISE SPECIFIED
MATERIALCOPPER ALLOY BODY
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
043 1-2IMInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
43-44InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-T-960InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
000-75-044CG15BInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS18301-04AND-10InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
J423 3-4INInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S11321 1-2INTHRD?
S11321 1-2INTHRD is a RESTRICTOR UNIT,FLUID FLOW.
What parts can replace S11321 1-2INTHRD?
There are 14 known substitutes for S11321 1-2INTHRD: 043 1-2IM, 43-44, MIL-T-960 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S11321 1-2INTHRD?
S11321 1-2INTHRD is cataloged in the Federal Logistics Information System under NSN 4730-00-270-4341. 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: October 2026