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5A1084 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

ADAPTER,STRAIGHT,FLANGE TO FLANG. Key specifications include flange_shape: TRIANGULAR WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, special_features: CRITICAL SAFETY ITEM (CSI), bolt_hole_quantity: 7 ALL ENDS, flange_face_design: PLAIN ALL ENDS, end_item_identification: B-52 AIRCRAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-571-0569, 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
5A1084
NSN: 4730-01-571-0569
FSC: 4730
CAGE: 03481 — BFGOODRICH CO THE AEROSPACE DIV ENGINEERED POLYMER PRODUCTS (USA)
SPECIFICATIONS
flange_shapeTRIANGULAR WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
special_featuresCRITICAL SAFETY ITEM (CSI)
bolt_hole_quantity7 ALL ENDS
flange_face_designPLAIN ALL ENDS
end_item_identificationB-52 AIRCRAFT
nominal_outside_diameter5.000 INCHES ALL ENDS IN
bolt_hole_nominal_diameter0.320 INCHES ALL ENDS IN
nominal_width_across_flats1.870 INCHES ALL ENDS IN
criticality_code_justificationFEAT
part_name_assigned_by_controlling_agencyCOUPLING TOLERANCE
center_to_center_nominal_distance_between_bolt_holes_along_length2.450 INCHES ALL ENDS IN
NSN4730-01-571-0569
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5A1084 · 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
•
FLANGE FACE DESIGN: PLAIN ALL ENDS
•
NOMINAL WIDTH ACROSS FLATS: 1.870 INCHES ALL ENDS IN
•
NOMINAL OUTSIDE DIAMETER: 5.000 INCHES ALL ENDS IN
•
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 2.450 INCHES ALL ENDS IN
•
BOLT HOLE NOMINAL DIAMETER: 0.320 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONB-52 AIRCRAFT
FLANGE FACE DESIGNPLAIN ALL ENDS
NOMINAL WIDTH ACROSS FLATS1.870 INCHES ALL ENDS IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCOUPLING TOLERANCE
NOMINAL OUTSIDE DIAMETER5.000 INCHES ALL ENDS IN
SPECIAL FEATURESCRITICAL SAFETY ITEM (CSI)
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH2.450 INCHES ALL ENDS IN
BOLT HOLE NOMINAL DIAMETER0.320 INCHES ALL ENDS IN
CRITICALITY CODE JUSTIFICATIONFEAT
CONNECTION TYPEFLANGE ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
38104Interchangeable
interchangeable cross-reference
interchangeable
38122Interchangeable
interchangeable cross-reference
interchangeable
10-20087-7Interchangeable
Same NIIN cross-reference
interchangeable
300Interchangeable
Same NIIN cross-reference
interchangeable
27314-2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5A1084?
5A1084 is a ADAPTER,STRAIGHT,FLANGE TO FLANG.
What parts can replace 5A1084?
There are 5 known substitutes for 5A1084: 38104, 38122, 10-20087-7 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5A1084?
5A1084 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-571-0569. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026