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191B.0254X1 — SEAL ASSEMBLY,SHAFT,SPRING LOADE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

191B.0254X1: SEAL ASSEMBLY,SHAFT,SPRING LOADE.

SEAL ASSEMBLY,SHAFT,SPRING LOADE. Key specifications include material: COPPER ALLOY OVERALL, nut_style: TUBE COUPLING, nut_height: 0.680 INCHES NOMINAL IN, special_features: WEAPON SYSTEM ESSENTIAL, thread_direction: RIGHT-HAND, length_to_shoulder: 0.590 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-294-8920, 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
191B.0254X1
NSN: 4730-01-294-8920
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: N1384 — G H FITTINGS A/S (NOR)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleTUBE COUPLING
nut_height0.680 INCHES NOMINAL IN
special_featuresWEAPON SYSTEM ESSENTIAL
thread_directionRIGHT-HAND
length_to_shoulder0.590 INCHES NOMINAL IN
width_across_flats1.500 INCHES NOMINAL IN
nominal_thread_size1.000 INCHES IN
end_item_identificationLIGHT WEIGHT DECONTAMINATION SYSTEM, M1731. DECONTAMINATING APPARATUS: PWR DRVN, LT WT
smallest_inside_diameter1.000 INCHES NOMINAL IN
nominal_tube_outside_diameter1.000 INCHES IN
criticality_code_justificationFEAT
NSN4730-01-294-8920
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 191B.0254X1 · 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
•
LENGTH TO SHOULDER: 0.590 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 1.500 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-B16 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
NUT HEIGHT: 0.680 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH TO SHOULDER0.590 INCHES NOMINAL IN
WIDTH ACROSS FLATS1.500 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONFEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-B16 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.000 INCHES IN
NUT HEIGHT0.680 INCHES NOMINAL IN
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
NUT STYLETUBE COUPLING
END ITEM IDENTIFICATIONLIGHT WEIGHT DECONTAMINATION SYSTEM, M1731. DECONTAMINATING APPARATUS: PWR DRVN, LT WT
SUBSTITUTES & CROSS-REFERENCES 2
5-45-5161Reference document
Same NSN cross-reference
Reference document — Secondary reference
19440-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 191B.0254X1?
191B.0254X1 is a SEAL ASSEMBLY,SHAFT,SPRING LOADE.
What parts can replace 191B.0254X1?
There are 2 known substitutes for 191B.0254X1: 5-45-5161, 19440-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 191B.0254X1?
191B.0254X1 is cataloged in the U.S. Government catalog under NSN 4730-01-294-8920. This indicates validated use in U.S. government and defense supply chains.
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