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26-1400-28 — RESTRICTOR UNIT,FLUID FLOW

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

26-1400-28: RESTRICTOR UNIT,FLUID FLOW.

The RESTRICTOR UNIT,FLUID FLOW is a the manufacturer industrial component. Key specifications include diameter: 0.250 INCHES NOMINAL IN, material: COPPER ALLOY BODY, valve_size: 0.250 INCHES IN, design_type: STRAIGHT, thread_series: NPT LOCATION NOT OTHERWISE SPECIFIED, overall_length: 1.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-422-1924, 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
26-1400-28
NSN: 4730-01-422-1924
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
diameter0.250 INCHES NOMINAL IN
materialCOPPER ALLOY BODY
valve_size0.250 INCHES IN
design_typeSTRAIGHT
thread_seriesNPT LOCATION NOT OTHERWISE SPECIFIED
overall_length1.500 INCHES NOMINAL IN
orifice_diameter0.026 INCHES NOMINAL IN
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
width_across_flats0.562 INCHES NOMINAL IN
end_connection_typeTHREADED FEMALE LOCATION NOT OTHERWISE SPECIFIED
thread_size_designator1/4-18 LOCATION NOT OTHERWISE SPECIFIED
end_item_identificationTRUCK,FIRE/CRASH P23.
NSN4730-01-422-1924
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 26-1400-28 · 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
•
WIDTH ACROSS FLATS: 0.562 INCHES NOMINAL IN
•
STRAINER TYPE AND QUANTITY: 1 FILTER
•
DESIGN TYPE: STRAIGHT
•
THREAD SERIES: NPT LOCATION NOT OTHERWISE SPECIFIED
•
END CONNECTION TYPE: THREADED FEMALE LOCATION NOT OTHERWISE SPECIFIED
•
DIAMETER: 0.250 INCHES NOMINAL IN
•
VALVE SIZE: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.562 INCHES NOMINAL IN
STRAINER TYPE AND QUANTITY1 FILTER
DESIGN TYPESTRAIGHT
THREAD SERIESNPT LOCATION NOT OTHERWISE SPECIFIED
END CONNECTION TYPETHREADED FEMALE LOCATION NOT OTHERWISE SPECIFIED
DIAMETER0.250 INCHES NOMINAL IN
OVERALL LENGTH1.500 INCHES NOMINAL IN
VALVE SIZE0.250 INCHES IN
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
THREAD SIZE DESIGNATOR1/4-18 LOCATION NOT OTHERWISE SPECIFIED
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 26-1400-28?
26-1400-28 is a RESTRICTOR UNIT,FLUID FLOW.
What is the NSN for 26-1400-28?
26-1400-28 is cataloged in the U.S. Government catalog under NSN 4730-01-422-1924. 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.