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PartsTable / COMPONENT / 1280-3-4
1280-3-4 ✓ Verified by PartsTable
Hama · 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

- Allows you to connect electrical appliances in countries with other socket systems<br>- For Gibraltar, Great Britain, Hong Kong, Indonesia, Kenya, Malaysia, Malta, Singapore, Cyprus<br>- Not suitable for plugs with earth contact (3-pin plug) This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-248-9354, 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
1280-3-4
NSN: 4730-00-248-9354
FSC: 4730
CAGE: 14959 — CRANE CO DIV VALVE DIV (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
nut_styleHEXAGON
nut_height0.391 INCHES NOMINAL IN
shank_height0.092 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNEF
overall_height0.150 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
inside_diameter0.100 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
outside_diameter0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
special_featuresINSIDE DIA TAPES TO 0.062 IN. MIN,0.067 IN. MAX IN
style_designatorSHOULDER
thread_directionRIGHT-HAND
NSN4730-00-248-9354
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1280-3-4 · Hama ⚠ 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
E20Interchangeable
interchangeable cross-reference
interchangeable
1GK74Interchangeable
interchangeable cross-reference
interchangeable
10BCR10Interchangeable
interchangeable cross-reference
interchangeable
972Interchangeable
interchangeable cross-reference
interchangeable
935414-1Interchangeable
interchangeable cross-reference
interchangeable
0740061Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1280-3-4?
1280-3-4 is a INSULATOR,BUSHING manufactured by Hama.
What parts can replace 1280-3-4?
There are 14 known substitutes for 1280-3-4: E20, 1GK74, 10BCR10 and 11 more. Substitute compatibility should be verified for your specific system.
Is 1280-3-4 still available?
1280-3-4 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