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07A311-4 — SLEEVE,CLINCH,TUBE FITTING

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

07A311-4: SLEEVE,CLINCH,TUBE FITTING.

The SLEEVE,CLINCH,TUBE FITTING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316, flange_width: 0.024 INCHES NOMINAL IN, overall_length: 0.520 INCHES NOMINAL IN, style_designator: FLARELESS, seat_angle_in_deg: 35.0, surface_treatment: NICKEL OR CADMIUM AND CHROMATE. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-348-6540, 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
07A311-4
NSN: 4730-01-348-6540
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 1W025 — NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 316
flange_width0.024 INCHES NOMINAL IN
overall_length0.520 INCHES NOMINAL IN
style_designatorFLARELESS
seat_angle_in_deg35.0
surface_treatmentNICKEL OR CADMIUM AND CHROMATE
casehardening_indicatorCASEHARDENED
flange_outside_diameter0.309 INCHES NOMINAL IN
sleeve_outside_diameter0.286 INCHES NOMINAL IN
hose/tube_outside_diameter_for_which_designed0.250 INCHES NOMINAL IN
NSN4730-01-348-6540
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 07A311-4 · 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
•
SEAT ANGLE IN DEG: 35.0
•
STYLE DESIGNATOR: FLARELESS
•
SLEEVE OUTSIDE DIAMETER: 0.286 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: CASEHARDENED
•
SURFACE TREATMENT: NICKEL OR CADMIUM AND CHROMATE
•
FLANGE WIDTH: 0.024 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 316
TECHNICAL CHARACTERISTICS
SEAT ANGLE IN DEG35.0
STYLE DESIGNATORFLARELESS
OVERALL LENGTH0.520 INCHES NOMINAL IN
SLEEVE OUTSIDE DIAMETER0.286 INCHES NOMINAL IN
CASEHARDENING INDICATORCASEHARDENED
SURFACE TREATMENTNICKEL OR CADMIUM AND CHROMATE
FLANGE WIDTH0.024 INCHES NOMINAL IN
MATERIALSTEEL COMP 316
FLANGE OUTSIDE DIAMETER0.309 INCHES NOMINAL IN
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.250 INCHES NOMINAL IN
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 2
07A311Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
AFP192-04Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 07A311-4?
07A311-4 is a SLEEVE,CLINCH,TUBE FITTING.
What parts can replace 07A311-4?
There are 2 known substitutes for 07A311-4: 07A311, AFP192-04. Substitute compatibility should be verified for your specific system.
What is the NSN for 07A311-4?
07A311-4 is cataloged in the U.S. Government catalog under NSN 4730-01-348-6540. 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.