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21-00089 — ISOLATOR,RADIO FREQUENCY REFLECT

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

21-00089: ISOLATOR,RADIO FREQUENCY REFLECT.

ISOLATOR,RADIO FREQUENCY REFLECT. Key specifications include chain: NOT INCLUDED, insert: NOT INCLUDED, material: RUBBER, special_features: BUTYL RUBBER PER ASTM-02000, COLOR-BLACK, surface_treatment: RUBBER CHLOROPRENE, end_item_identification: 5895-01-414-7503. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-140-2424, 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→ 21-00089
NSN: 5330-01-140-2424
NIINs: 011402424, 013882826, 014681071
FSC: 5330 — Packing and Gasket Materials
CAGE: 07700 — TECHNICAL WIRE PRODUCTS, LLC DBA TWP (USA)
SPECIFICATIONS
chainNOT INCLUDED
insertNOT INCLUDED
materialRUBBER
special_featuresBUTYL RUBBER PER ASTM-02000, COLOR-BLACK
surface_treatmentRUBBER CHLOROPRENE
end_item_identification5895-01-414-7503
NSN5330-01-140-2424
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21-00089 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL: RUBBER OVERALL
•
CONSTRUCTION: LAMINATEDLAMINATED
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNON-CIRCULAR
SPECIAL FEATURESSEAL,NONMETALLIC CHANNEL MATERIAL COMPOSITION IS MAINLY RUBBER BUT DOESCONTAIN METALLIC MATERIALS.SEAL,NONMETALLIC CHANNEL MATERIAL COMPOSITION IS MAINLY RUBBER BUT DOESCONTAIN METALLIC MATERIALS.
END ITEM IDENTIFICATION2330-01-050-8810 STRLR,VAN2330-01-050-8810 STRLR,VAN
MATERIALRUBBER OVERALL
CONSTRUCTIONLAMINATEDLAMINATED
SUBSTITUTES & CROSS-REFERENCES 2
12315659Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
0104041851Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21-00089?
21-00089 is a ISOLATOR,RADIO FREQUENCY REFLECT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21-00089?
There are 2 known substitutes for 21-00089: 12315659, 0104041851. Substitute compatibility should be verified for your specific system.
What is the NSN for 21-00089?
21-00089 is cataloged in the U.S. Government catalog under NSN 5330-01-140-2424. 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.