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DSOS-440-275 — STANDOFF,PLAIN,SNAP-IN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

DSOS-440-275: STANDOFF,PLAIN,SNAP-IN.

The STANDOFF,PLAIN,SNAP-IN is a the manufacturer industrial component. Key specifications include length: 0.275 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING STANDOFF, style_designator: GROOVED W/ LEFT INTERNAL AND RIGHT EXTERNAL THREAD, end_item_identification: 1040-01-380-1400. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-424-3925, 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
DSOS-440-275
NSN: 5340-01-424-3925
FSC: 5340 — Hardware, Commercial
CAGE: 46384 — PENN ENGINEERING & MANUFACTURING CORP (USA)
SPECIFICATIONS
length0.275 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING STANDOFF
style_designatorGROOVED W/ LEFT INTERNAL AND RIGHT EXTERNAL THREAD
end_item_identification1040-01-380-1400
NSN5340-01-424-3925
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: DSOS-440-275 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
•
LENGTH: 0.275 INCHES NOMINAL IN
•
STYLE DESIGNATOR: GROOVED W/ LEFT INTERNAL AND RIGHT EXTERNAL THREAD
•
MATERIAL: STEEL CORROSION RESISTING STANDOFF
TECHNICAL CHARACTERISTICS
LENGTH0.275 INCHES NOMINAL IN
STYLE DESIGNATORGROOVED W/ LEFT INTERNAL AND RIGHT EXTERNAL THREAD
END ITEM IDENTIFICATION1040-01-380-1400
MATERIALSTEEL CORROSION RESISTING STANDOFF
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
31-15-4392Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 DSOS-440-275?
DSOS-440-275 is a STANDOFF,PLAIN,SNAP-IN.
What parts can replace DSOS-440-275?
There is 1 known substitute for DSOS-440-275: 31-15-4392. Substitute compatibility should be verified for your specific system.
What is the NSN for DSOS-440-275?
DSOS-440-275 is cataloged in the U.S. Government catalog under NSN 5340-01-424-3925. 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.