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HC9929 — FILTER,RADIO FREQUENCY INTERFERE

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

HC9929: FILTER,RADIO FREQUENCY INTERFERE.

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, seal_width: 0.375 INCHES NOMINAL IN, body_length: 1.906 INCHES MINIMUM AND 2.094 INCHES MAXIMUM IN, construction: SOLID, body_material: METAL, inclosure_type: HERMETICALLY SEALED. This part is cataloged in the U.S.

Government catalog under NSN 4710-00-639-9439, 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
HC9929
NSN: 4710-00-639-9439
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
seal_width0.375 INCHES NOMINAL IN
body_length1.906 INCHES MINIMUM AND 2.094 INCHES MAXIMUM IN
constructionSOLID
body_materialMETAL
inclosure_typeHERMETICALLY SEALED
overall_length2.735 INCHES NOMINAL IN
style_designatorROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES
features_providedNUT AND WASHER
maximum_temp_rise25.0 CELSIUS DEGC
nominal_thread_size0.4375 INCHES IN
operating_temp_range-55.0 TO 95.0 CELSIUS DEGC
NSN4710-00-639-9439
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: HC9929 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 6
257946R1Reference document
Same NSN cross-reference
Reference document — Secondary reference
ASTM A53Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
D21659Reference document
Same NSN cross-reference
Reference document — Secondary reference
16-398-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
ASTM A120Reference document
Same NSN cross-reference
Reference document — Secondary reference
16-398-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HC9929?
HC9929 is a FILTER,RADIO FREQUENCY INTERFERE.
What parts can replace HC9929?
There are 6 known substitutes for HC9929: 257946R1, ASTM A53, D21659 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HC9929?
HC9929 is cataloged in the U.S. Government catalog under NSN 4710-00-639-9439. 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.