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301686 — BASE,ANTENNA SUPPORT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

301686: BASE,ANTENNA SUPPORT.

The BASE,ANTENNA SUPPORT is a the manufacturer industrial component. Key specifications include document_type: PARTS LIST, document_source: 16603, special_features: FOR USE ON 3805-01-537-7952, DITCHING MACHINE RT40, component_quantity: 26, document_identification: 301686, end_item_identification: WEAPONS ELEV LS NUMBER 1. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-261-9599, 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
301686
NSN: 5330-00-261-9599
NIINs: 002619599, 015482528, 015507984, 016161558
FSC: 5330 — Packing and Gasket Materials
CAGE: 16603 — CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIVISION DIV WESTECH HEAVY MACHINERY DIVISION (USA)
SPECIFICATIONS
document_typePARTS LIST
document_source16603
special_featuresFOR USE ON 3805-01-537-7952, DITCHING MACHINE RT40
component_quantity26
document_identification301686
end_item_identificationWEAPONS ELEV LS NUMBER 1
component_document_originINDUSTRIAL
component_document_page_number1
NSN5330-00-261-9599
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 301686 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
•
COMPONENT QUANTITY: 26
•
DOCUMENT TYPE: PARTS LIST
•
COMPONENT DOCUMENT PAGE NUMBER: 1
•
DOCUMENT IDENTIFICATION: 301686
•
COMPONENT DOCUMENT ORIGIN: INDUSTRIAL
•
DOCUMENT SOURCE: 16603
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY26
DOCUMENT TYPEPARTS LIST
COMPONENT DOCUMENT PAGE NUMBER1
DOCUMENT IDENTIFICATION301686
COMPONENT DOCUMENT ORIGININDUSTRIAL
DOCUMENT SOURCE16603
SUBSTITUTES & CROSS-REFERENCES 1
A301686Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 301686?
301686 is a BASE,ANTENNA SUPPORT.
What parts can replace 301686?
There is 1 known substitute for 301686: A301686. Substitute compatibility should be verified for your specific system.
What is the NSN for 301686?
301686 is cataloged in the U.S. Government catalog under NSN 5330-00-261-9599. 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.