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78901-28 — FILTER,RADIO FREQUENCY INTERFERE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

78901-28: FILTER,RADIO FREQUENCY INTERFERE.

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include length: 0.312 INCHES NOMINAL SQUARE END IN, material: STEEL, body_width: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, body_height: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, body_length: 0.785 INCHES MAXIMUM IN, overall_depth: 4.630 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-050-4203, 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
78901-28
NSN: 4730-00-050-4203
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 17098 — YODER BRAKE & MANUFACTURING CO (USA)
SPECIFICATIONS
length0.312 INCHES NOMINAL SQUARE END IN
materialSTEEL
body_width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
body_height0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
body_length0.785 INCHES MAXIMUM IN
overall_depth4.630 INCHES NOMINAL IN
overall_width1.050 INCHES NOMINAL IN
thread_length16.0 MILLIMETERS MM
flute_quantity4
inclosure_typeENCASED
overall_height3.000 INCHES NOMINAL IN
overall_length2.310 INCHES NOMINAL IN
NSN4730-00-050-4203
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 78901-28 · 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
SUBSTITUTES & CROSS-REFERENCES 9
122-660345 PC 30Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
200954Reference document
Same NSN cross-reference
Reference document — Secondary reference
122-5277738 ITEM 33Reference document
Same NSN cross-reference
Reference document — Secondary reference
1641BReference document
Same NSN cross-reference
Reference document — Secondary reference
AB1303-215Reference document
Same NSN cross-reference
Reference document — Secondary reference
87907S8Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 78901-28?
78901-28 is a FILTER,RADIO FREQUENCY INTERFERE.
What parts can replace 78901-28?
There are 9 known substitutes for 78901-28: 122-660345 PC 30, 200954, 122-5277738 ITEM 33 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 78901-28?
78901-28 is cataloged in the U.S. Government catalog under NSN 4730-00-050-4203. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.