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Technical Data Sheet
PartsTable / COMPONENT / 98154-1
98154-1 ✓ 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

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL BODY, leg_length: 0.865 INCHES NOMINAL IN, seat_angle: 37.0 DEGREES, thread_class: 3A ALL ENDS A, overall_length: 1.920 INCHES NOMINAL IN, connection_type: INTERNAL QUICK DISCONNECT ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-437-0170, 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
98154-1
NSN: 4730-00-437-0170
FSC: 4730
CAGE: 76823 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL BODY
leg_length0.865 INCHES NOMINAL IN
seat_angle37.0 DEGREES
thread_class3A ALL ENDS A
overall_length1.920 INCHES NOMINAL IN
connection_typeINTERNAL QUICK DISCONNECT ALL ENDS
connection_styleFLARED ALL ENDS
style_designatorMALE COUPLING HALF
nominal_thread_size1.062 INCHES ALL ENDS IN
quick_disconnect_methodTWIST-LOCK ALL ENDS
thread_quantity_per_inch12 FIRST QUICK DISCONNECT END
thread_series_designatorUN ALL ENDS
NSN4730-00-437-0170
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 98154-1 · 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
•
THREAD QUANTITY PER INCH: 12 FIRST QUICK DISCONNECT END
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
•
MATERIAL: STEEL BODY
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE BODY
•
THREAD CLASS: 3A ALL ENDS A
•
SEAT ANGLE: 37.0 DEGREES
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.920 INCHES NOMINAL IN
THREAD QUANTITY PER INCH12 FIRST QUICK DISCONNECT END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
CONNECTION TYPEINTERNAL QUICK DISCONNECT ALL ENDS
MATERIALSTEEL BODY
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE BODY
THREAD CLASS3A ALL ENDS A
SEAT ANGLE37.0 DEGREES
NOMINAL THREAD SIZE1.062 INCHES ALL ENDS IN
STYLE DESIGNATORMALE COUPLING HALF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
250-16514 PIECE 15Interchangeable
interchangeable cross-reference
interchangeable
16659Interchangeable
interchangeable cross-reference
interchangeable
250-16514 ITEM 15Interchangeable
interchangeable cross-reference
interchangeable
16657Interchangeable
interchangeable cross-reference
interchangeable
242.808Interchangeable
interchangeable cross-reference
interchangeable
B673Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 98154-1?
98154-1 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 98154-1?
There are 9 known substitutes for 98154-1: 250-16514 PIECE 15, 16659, 250-16514 ITEM 15 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 98154-1?
98154-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-437-0170. 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