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988-5587 — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

988-5587: ADAPTER,STRAIGHT,PIPE TO TUBE.

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: STEEL BODY, nominal_overall_length: 49.0 MILLIMETERS MM, end_item_identification: 2320-01-534-187, nominal_outside_diameter: 31.2 MILLIMETERS ALL ENDS MM, nominal_width_across_flats: 22.0 MILLIMETERS FIRST END MM, part_name_assigned_by_controlling_agency: FITTING, ST, SWIVEL, MF, TILT FRAME CYL. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-679-5502, 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
988-5587
NSN: 4730-01-679-5502
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 34914 — HIAB USA INC (USA)
SPECIFICATIONS
materialSTEEL BODY
nominal_overall_length49.0 MILLIMETERS MM
end_item_identification2320-01-534-187
nominal_outside_diameter31.2 MILLIMETERS ALL ENDS MM
nominal_width_across_flats22.0 MILLIMETERS FIRST END MM
part_name_assigned_by_controlling_agencyFITTING, ST, SWIVEL, MF, TILT FRAME CYL
NSN4730-01-679-5502
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 988-5587 · 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
•
NOMINAL WIDTH ACROSS FLATS: 22.0 MILLIMETERS FIRST END MM
•
NOMINAL OVERALL LENGTH: 49.0 MILLIMETERS MM
•
NOMINAL OUTSIDE DIAMETER: 31.2 MILLIMETERS ALL ENDS MM
•
MATERIAL: STEEL BODY
TECHNICAL CHARACTERISTICS
NOMINAL WIDTH ACROSS FLATS22.0 MILLIMETERS FIRST END MM
NOMINAL WIDTH ACROSS FLATS27.0 MILLIMETERS SECOND END MM
NOMINAL OVERALL LENGTH49.0 MILLIMETERS MM
NOMINAL OUTSIDE DIAMETER31.2 MILLIMETERS ALL ENDS MM
PART NAME ASSIGNED BY CONTROLLING AGENCYFITTING, ST, SWIVEL, MF, TILT FRAME CYL
END ITEM IDENTIFICATION2320-01-534-187
MATERIALSTEEL BODY
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 1
4466575Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 988-5587?
988-5587 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 988-5587?
There is 1 known substitute for 988-5587: 4466575. Substitute compatibility should be verified for your specific system.
What is the NSN for 988-5587?
988-5587 is cataloged in the U.S. Government catalog under NSN 4730-01-679-5502. 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.