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035-26420 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

035-26420: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: IRON, overall_height: 2.000 INCHES NOMINAL IN, special_features: 4.500 IN. SQ BODY SHAPE W/ MTG HOLES EQ SPACED ON 3.250 IN.

SQ IN, style_designator: IRREGULAR, end_hole_diameter: 2.000 INCHES NOMINAL IN, body_inside_diameter: 3.500 INCHES NOMINAL IN. This part is cataloged in the U.S. Government catalog under NSN 5340-01-252-7983, 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
035-26420
NSN: 5340-01-252-7983
FSC: 5340 — Hardware, Commercial
CAGE: 9F512 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC PUMP DIVISION (USA)
SPECIFICATIONS
materialIRON
overall_height2.000 INCHES NOMINAL IN
special_features4.500 IN. SQ BODY SHAPE W/ MTG HOLES EQ SPACED ON 3.250 IN. SQ IN
style_designatorIRREGULAR
end_hole_diameter2.000 INCHES NOMINAL IN
body_inside_diameter3.500 INCHES NOMINAL IN
mounting_hole_diameter0.656 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
NSN5340-01-252-7983
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 035-26420 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: IRREGULAR
•
MOUNTING HOLE DIAMETER: 0.656 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 3.500 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MATERIAL: IRON
•
END HOLE DIAMETER: 2.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.000 INCHES NOMINAL IN
STYLE DESIGNATORIRREGULAR
MOUNTING HOLE DIAMETER0.656 INCHES NOMINAL IN
BODY INSIDE DIAMETER3.500 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
SPECIAL FEATURES4.500 IN. SQ BODY SHAPE W/ MTG HOLES EQ SPACED ON 3.250 IN. SQ IN
MATERIALIRON
END HOLE DIAMETER2.000 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
35-26420-XReference document
Same NSN cross-reference
Reference document — Secondary 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 035-26420?
035-26420 is a RETAINER,HELICAL COMPRESSION SPR.
What parts can replace 035-26420?
There is 1 known substitute for 035-26420: 35-26420-X. Substitute compatibility should be verified for your specific system.
What is the NSN for 035-26420?
035-26420 is cataloged in the U.S. Government catalog under NSN 5340-01-252-7983. 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.