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84001055-011 — FLANGE,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

84001055-011: FLANGE,PIPE.

The FLANGE,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 2A A, style_designator: BOLT HOLE CONNECTOR PLATE, bolt_hole_diameter: 0.406 INCHES NOMINAL IN, nominal_thread_size: 0.375 INCHES IN, flange_section_style: PLAIN FACE. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-320-1766, 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
84001055-011
NSN: 4730-01-320-1766
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL
thread_class2A A
style_designatorBOLT HOLE CONNECTOR PLATE
bolt_hole_diameter0.406 INCHES NOMINAL IN
nominal_thread_size0.375 INCHES IN
flange_section_stylePLAIN FACE
thread_quantity_per_inch16
screw_thread_series_designatorUN
tube_outside_diameter_for_which_designed1.000 INCHES NOMINAL IN
center_to_center_distance_between_bolt_holes_along_length2.000 INCHES NOMINAL IN
NSN4730-01-320-1766
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 84001055-011 · 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
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 1.000 INCHES NOMINAL IN
•
FLANGE SECTION STYLE: PLAIN FACE
•
STYLE DESIGNATOR: BOLT HOLE CONNECTOR PLATE
•
BOLT HOLE DIAMETER: 0.406 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 2.000 INCHES NOMINAL IN
•
SCREW THREAD SERIES DESIGNATOR: UN
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED1.000 INCHES NOMINAL IN
FLANGE SECTION STYLEPLAIN FACE
STYLE DESIGNATORBOLT HOLE CONNECTOR PLATE
BOLT HOLE DIAMETER0.406 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.375 INCHES IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH2.000 INCHES NOMINAL IN
SCREW THREAD SERIES DESIGNATORUN
THREAD CLASS2A A
THREAD QUANTITY PER INCH16
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
84001055Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
12FHHSSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 84001055-011?
84001055-011 is a FLANGE,PIPE.
What parts can replace 84001055-011?
There are 2 known substitutes for 84001055-011: 84001055, 12FHHS. Substitute compatibility should be verified for your specific system.
What is the NSN for 84001055-011?
84001055-011 is cataloged in the U.S. Government catalog under NSN 4730-01-320-1766. 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.