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S10021-27 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S10021-27: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.375 INCHES NOMINAL IN, material: COPPER ALLOY 360 STANDOFF, hole_diameter: 0.375 INCHES NOMINAL IN, style_designator: PROJECTION ONE END LEFT INTERNAL THREAD, width_across_flats: 0.250 INCHES NOMINAL IN, nominal_thread_size: 0.832 INCHES RIGHT INTERNAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-398-1760, 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
S10021-27
NSN: 5340-01-398-1760
FSC: 5340 — Hardware, Commercial
CAGE: 05395 — L3HARRIS TECHNOLOGIES INTEGRATED SYSTEMS L.P. DBA L3HARRIS TECHNOLOGIES (USA)
SPECIFICATIONS
length0.375 INCHES NOMINAL IN
materialCOPPER ALLOY 360 STANDOFF
hole_diameter0.375 INCHES NOMINAL IN
style_designatorPROJECTION ONE END LEFT INTERNAL THREAD
width_across_flats0.250 INCHES NOMINAL IN
nominal_thread_size0.832 INCHES RIGHT INTERNAL IN
cross-sectional_shapeHEXAGON
right_projection_length0.250 INCHES NOMINAL IN
thread_series_designatorUN RIGHT INTERNAL
right_projection_diameter0.215 INCHES NOMINAL IN
material_document_and_classificationQQ-B-626D FED SPEC SINGLE MATERIAL RESPONSE STANDOFF
NSN5340-01-398-1760
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S10021-27 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
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
•
LENGTH: 0.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PROJECTION ONE END LEFT INTERNAL THREAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626D FED SPEC SINGLE MATERIAL RESPONSE STANDOFF
•
NOMINAL THREAD SIZE: 0.832 INCHES RIGHT INTERNAL IN
•
CROSS-SECTIONAL SHAPE: HEXAGON
•
MATERIAL: COPPER ALLOY 360 STANDOFF
•
RIGHT PROJECTION DIAMETER: 0.215 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
LENGTH0.375 INCHES NOMINAL IN
STYLE DESIGNATORPROJECTION ONE END LEFT INTERNAL THREAD
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626D FED SPEC SINGLE MATERIAL RESPONSE STANDOFF
NOMINAL THREAD SIZE0.832 INCHES RIGHT INTERNAL IN
CROSS-SECTIONAL SHAPEHEXAGON
MATERIALCOPPER ALLOY 360 STANDOFF
RIGHT PROJECTION DIAMETER0.215 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUN RIGHT INTERNAL
RIGHT PROJECTION LENGTH0.250 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
9738-B-0832-28Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 S10021-27?
S10021-27 is a STANDOFF,THREADED,SPACING.
What parts can replace S10021-27?
There is 1 known substitute for S10021-27: 9738-B-0832-28. Substitute compatibility should be verified for your specific system.
What is the NSN for S10021-27?
S10021-27 is cataloged in the U.S. Government catalog under NSN 5340-01-398-1760. 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.