PartsTable
Technical Data Sheet

981-1/2IN — TRAP,STEAM

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

981-1/2IN: TRAP,STEAM.

The TRAP,STEAM is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-237-7102, 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
981-1/2IN
NSN: 4730-01-237-7102
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 03933 — ARMSTRONG INTERNATIONAL INC DBA ARMSTRONG MACHINE WORKS (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
NSN4730-01-237-7102
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 981-1/2IN · 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
•
MATERIAL: COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS
MATERIALCOPPER ALLOY 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
58234Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 981-1/2IN?
981-1/2IN is a TRAP,STEAM.
What parts can replace 981-1/2IN?
There is 1 known substitute for 981-1/2IN: 58234. Substitute compatibility should be verified for your specific system.
What is the NSN for 981-1/2IN?
981-1/2IN is cataloged in the U.S. Government catalog under NSN 4730-01-237-7102. This indicates validated use in U.S. government and defense supply chains.
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