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158 — FILTER,RADIO FREQUENCY INTERFERE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

158: FILTER,RADIO FREQUENCY INTERFERE.

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include part_name_assigned_by_controlling_agency: PRESSURE BRASS MATERIAL NIPPLE. This part is cataloged in the U.S.

Government catalog under NSN 4320-00-126-8481, 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
MRO→ MRO_GENERAL→ 158
NSN: 4320-00-126-8481
NIINs: 001268481, 001286426, 001329658, 002299626, 002480796, 002699709, 002704675, 002864868, 002872777, 004018291, 004102545, 004235116, 004541107, 004777812, 005303459, 005773152, 006355011, 007249737, 007397009, 007755267, 008256692, 008449922, 008831731, 009441261, 009671155, 010235575, 010339614, 011055720, 011085732, 012042731, 012430513, 012496670, 013729352, 013905786, 014708464, 015046791, 015769633, 015818890, 017223772, 017226742
FSC: 4320 — Power and Hand Pumps
CAGE: 43491 — GENERAL SIGNAL CORP (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyPRESSURE BRASS MATERIAL NIPPLE
NSN4320-00-126-8481
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN 158 MFR FILTER,RADIO FREQUENCY
KEY FEATURES
•
KEYWAY TYPE: RECTANGULAR
•
KEYWAY DEPTH: 0.062 INCHES NOMINAL IN
•
HUB BORE DIAMETER: 0.579 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
•
HUB LENGTH: 0.500 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
•
DESIGN TYPE: DOUBLE WIDTH
•
OVERALL DIAMETER: 4.438 INCHES MINIMUM AND 4.562 INCHES MAXIMUM IN
•
MOUNTING METHOD: KEY AND SETSCREW
•
SETSCREW QUANTITY: 1
TECHNICAL CHARACTERISTICS
KEYWAY TYPERECTANGULAR
KEYWAY DEPTH0.062 INCHES NOMINAL IN
HUB BORE DIAMETER0.579 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
HUB LENGTH0.500 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
DESIGN TYPEDOUBLE WIDTH
OVERALL DIAMETER4.438 INCHES MINIMUM AND 4.562 INCHES MAXIMUM IN
MOUNTING METHODKEY AND SETSCREW
SETSCREW QUANTITY1
OVERALL WIDTH0.938 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
KEYWAY QUANTITY1
SUBSTITUTES & CROSS-REFERENCES 7
11CS166PC9Reference document
Same NSN cross-reference
Reference document — Secondary reference
M31513Reference document
Same NSN cross-reference
Reference document — Secondary reference
9222PC9Reference document
Same NSN cross-reference
Reference document — Secondary reference
11DSB4580PC9Reference document
Same NSN cross-reference
Reference document — Secondary reference
14A4BReference document
Same NSN cross-reference
Reference document — Secondary reference
444-0802-208Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 158?
158 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 158?
There are 7 known substitutes for 158: 11CS166PC9, M31513, 9222PC9 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 158?
158 is cataloged in the U.S. Government catalog under NSN 4320-00-126-8481. This indicates validated use in U.S. government and defense supply chains.
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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.