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27-9555ASS171 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

27-9555ASS171: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.280 INCHES NOMINAL IN, diameter: 0.312 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, special_features: ALTERED FROM AMATOM PART NUMBER 9555A-SS-171 A, style_designator: PROJECTION ONE END, cross-sectional_shape: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-481-1520, 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
27-9555ASS171
NSN: 5340-01-481-1520
FSC: 5340 — Hardware, Commercial
CAGE: 04597 — PROJECTS UNLIMITED INC (USA)
SPECIFICATIONS
length0.280 INCHES NOMINAL IN
diameter0.312 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
special_featuresALTERED FROM AMATOM PART NUMBER 9555A-SS-171 A
style_designatorPROJECTION ONE END
cross-sectional_shapeROUND
end_item_identificationC0002,HARRIER
right_projection_length0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
material_document_and_classificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5340-01-481-1520
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 27-9555ASS171 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: 0.280 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PROJECTION ONE END
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.312 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE: ROUND
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.280 INCHES NOMINAL IN
STYLE DESIGNATORPROJECTION ONE END
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.312 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPEROUND
SPECIAL FEATURESALTERED FROM AMATOM PART NUMBER 9555A-SS-171 A
END ITEM IDENTIFICATIONC0002,HARRIER
MATERIALSTEEL CORROSION RESISTING OVERALL
RIGHT PROJECTION LENGTH0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM 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
03-P16024B02Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 27-9555ASS171?
27-9555ASS171 is a STANDOFF,THREADED,SPACING.
What parts can replace 27-9555ASS171?
There is 1 known substitute for 27-9555ASS171: 03-P16024B02. Substitute compatibility should be verified for your specific system.
What is the NSN for 27-9555ASS171?
27-9555ASS171 is cataloged in the U.S. Government catalog under NSN 5340-01-481-1520. 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.