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307943 — RESTRICTOR,FLUID FLOW

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

307943: RESTRICTOR,FLUID FLOW.

The RESTRICTOR,FLUID FLOW is a the manufacturer industrial component. Key specifications include length: 0.273 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN, material: STEEL COMP 1095 OR STEEL, design_type: TUBULAR, orifice_diameter: 0.088 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN, outside_diameter: 0.372 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN, thread_provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-169-5830, 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
307943
NSN: 4730-01-169-5830
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
length0.273 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
materialSTEEL COMP 1095 OR STEEL
design_typeTUBULAR
orifice_diameter0.088 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN
outside_diameter0.372 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
thread_provisionUNTHREADED LOCATION NOT OTHERWISE SPECIFIED
material_document_and_classificationASTM A108, GRADE 1095 ASSN STD 1ST MATERIAL RESPONSE OR SAE 1438 ,GRADE 01 ASSN STD 1ST MATERIAL RESPONSE
NSN4730-01-169-5830
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 307943 · 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
SUBSTITUTES & CROSS-REFERENCES 2
14KP538Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
69605Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 307943?
307943 is a RESTRICTOR,FLUID FLOW.
What parts can replace 307943?
There are 2 known substitutes for 307943: 14KP538, 69605. Substitute compatibility should be verified for your specific system.
What is the NSN for 307943?
307943 is cataloged in the U.S. Government catalog under NSN 4730-01-169-5830. 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.