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205.020 — ADAPTER,STRAIGHT,TUBE TO BOSS

✓ Government record, cited
Hama · ORING SEAL
PRODUCT OVERVIEW

205.020: ADAPTER,STRAIGHT,TUBE TO BOSS.

The ADAPTER,STRAIGHT,TUBE TO BOSS is a Hama industrial component. Key specifications include length: 20.0 MILLIMETERS NOMINAL MM, material: STEEL OVERALL, part_name_assigned_by_controlling_agency: 3.5MM CANNULATED SCREW PARTIALLY THREADED/20MM MM. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-911-5008, 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
205.020
NSN: 5330-00-911-5008
NIINs: 009115008, 011173578, 016854701
FSC: 5330 — Packing and Gasket Materials
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
length20.0 MILLIMETERS NOMINAL MM
materialSTEEL OVERALL
special_featuresSCREW BONE 3.5MM 5MM 1.35MM 20MM 7MM STAINLESS STEEL 2.5MM PARTIAL THREAD REVERSE CUT FLUTE CANNULATED LOW PROFILE HEMISPHERICAL HEAD HEXAGONAL NONSTERILE SMALL FRAGMENT SET. MM
part_name_assigned_by_controlling_agency3.5MM CANNULATED SCREW PARTIALLY THREADED/20MM MM
NSN5330-00-911-5008
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 205.020 MFR: Hama ⚠ 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
•
SEAL WIDTH: 0.468 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: VERTICAL
•
HOUSING BORE DIAMETER: 1.780 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: F7 FSCM 81343 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 1.125 INCHES NOMINAL IN
•
MATERIAL: WOOL SEALING ELEMENT
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.468 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL
HOUSING BORE DIAMETER1.780 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONF7 FSCM 81343 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER1.125 INCHES NOMINAL IN
MATERIALWOOL SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 1
807630Reference 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 205.020?
205.020 is a ADAPTER,STRAIGHT,TUBE TO BOSS manufactured by Hama.
What parts can replace 205.020?
There is 1 known substitute for 205.020: 807630. Substitute compatibility should be verified for your specific system.
What is the NSN for 205.020?
205.020 is cataloged in the U.S. Government catalog under NSN 5330-00-911-5008. 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.