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74A831240-2053 — RESTRICTOR,FLUID FLOW

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

74A831240-2053: RESTRICTOR,FLUID FLOW.

The RESTRICTOR,FLUID FLOW is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, orifice_diameter: 0.969 INCHES NOMINAL IN, outside_diameter: 2.000 INCHES NOMINAL IN, special_features: MATERIAL IAW QQ-A-250/8, COMP 5052, COND O., thread_provision: UNTHREADED FIRST PROVISION, end_item_identification: ENVIRONMENTAL CONTROL; F/A-18 E/F. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-562-8548, 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
74A831240-2053
NSN: 4730-01-562-8548
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialCOPPER ALLOY
orifice_diameter0.969 INCHES NOMINAL IN
outside_diameter2.000 INCHES NOMINAL IN
special_featuresMATERIAL IAW QQ-A-250/8, COMP 5052, COND O.
thread_provisionUNTHREADED FIRST PROVISION
end_item_identificationENVIRONMENTAL CONTROL; F/A-18 E/F
part_name_assigned_by_controlling_agency(INAVY)DP RESTRICTOR
NSN4730-01-562-8548
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 74A831240-2053 · 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 PROVISION: UNTHREADED FIRST PROVISION
•
OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
•
ORIFICE DIAMETER: 0.969 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
THREAD PROVISIONUNTHREADED FIRST PROVISION
OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
SPECIAL FEATURESMATERIAL IAW QQ-A-250/8, COMP 5052, COND O.
PART NAME ASSIGNED BY CONTROLLING AGENCY(INAVY)DP RESTRICTOR
END ITEM IDENTIFICATIONENVIRONMENTAL CONTROL; F/A-18 E/F
MATERIALCOPPER ALLOY
ORIFICE DIAMETER0.969 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
10168209Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74A831240-2053?
74A831240-2053 is a RESTRICTOR,FLUID FLOW.
What parts can replace 74A831240-2053?
There is 1 known substitute for 74A831240-2053: 10168209. Substitute compatibility should be verified for your specific system.
What is the NSN for 74A831240-2053?
74A831240-2053 is cataloged in the U.S. Government catalog under NSN 4730-01-562-8548. 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.