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987551 — FITTING,LUBRICATION

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

987551: FITTING,LUBRICATION.

The FITTING,LUBRICATION is a the manufacturer industrial component. Key specifications include angle: 90.0 DEGREES, height: 2.54 INCHES NOMINAL IN, material: STEEL OVERALL, shank_length: 1.16 INCHES NOMINAL IN, style_designator: ANGLE, nominal_thread_size: 0.250 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-598-8680, 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
987551
NSN: 4730-01-598-8680
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 58785 — VT LEEBOY INC. DBA LEEBOY DIV VT LEEBOY (USA)
SPECIFICATIONS
angle90.0 DEGREES
height2.54 INCHES NOMINAL IN
materialSTEEL OVERALL
shank_length1.16 INCHES NOMINAL IN
style_designatorANGLE
nominal_thread_size0.250 INCHES IN
assembly_clearance_radius2.12 INCHES NOMINAL IN
screw_thread_series_designatorNPT
material_document_and_classificationASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyFITTING
NSN4730-01-598-8680
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 987551 · 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
•
ASSEMBLY CLEARANCE RADIUS: 2.12 INCHES NOMINAL IN
•
SHANK LENGTH: 1.16 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ANGLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
HEIGHT: 2.54 INCHES NOMINAL IN
•
ANGLE: 90.0 DEGREES
•
SCREW THREAD SERIES DESIGNATOR: NPT
TECHNICAL CHARACTERISTICS
ASSEMBLY CLEARANCE RADIUS2.12 INCHES NOMINAL IN
SHANK LENGTH1.16 INCHES NOMINAL IN
STYLE DESIGNATORANGLE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE0.250 INCHES IN
HEIGHT2.54 INCHES NOMINAL IN
ANGLE90.0 DEGREES
SCREW THREAD SERIES DESIGNATORNPT
PART NAME ASSIGNED BY CONTROLLING AGENCYFITTING
MATERIALSTEEL OVERALL
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

No substitute or cross-reference records for this part.

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 987551?
987551 is a FITTING,LUBRICATION.
What is the NSN for 987551?
987551 is cataloged in the U.S. Government catalog under NSN 4730-01-598-8680. 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.