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S-987 ✓ 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

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: STEEL COMP 1025, end_style: D SHAP BELOW INSIDE PERIPHERY, ring_style: STRAIGHT GAP, usage_design: INTERNAL, inside_diameter: 1.875 INCHES NOMINAL IN, major_thickness: 0.060 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-193-7080, 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
S-987
NSN: 4730-00-193-7080
FSC: 4730
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 1025
end_styleD SHAP BELOW INSIDE PERIPHERY
ring_styleSTRAIGHT GAP
usage_designINTERNAL
inside_diameter1.875 INCHES NOMINAL IN
major_thickness0.060 INCHES NOMINAL IN
outside_diameter2.188 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating42.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 5077 ASSN STD SINGLE MATERIAL RESPONSE
NSN4730-00-193-7080
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: S-987 · 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
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
MIL123830Interchangeable
interchangeable cross-reference
interchangeable
61-008Interchangeable
interchangeable cross-reference
interchangeable
162741Interchangeable
interchangeable cross-reference
interchangeable
60134Interchangeable
interchangeable cross-reference
interchangeable
ANSI/NEMA PUB NO. CB1Interchangeable
interchangeable cross-reference
interchangeable
11351DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S-987?
S-987 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace S-987?
There are 31 known substitutes for S-987: MIL123830, 61-008, 162741 and 28 more. Substitute compatibility should be verified for your specific system.
Is S-987 still available?
S-987 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026