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S1071 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The TRANSISTOR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, case_style: SQUARE, seal_width: 0.156 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN, construction: ONE-PIECE, overall_length: 0.450 INCHES MAXIMUM IN, hardness_rating: 50.0 SHORE DUROMETER A MAXIMUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-256-1030, 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
S1071
NSN: 5330-00-256-1030
FSC: 5330
CAGE: 47496 — THE DEWEY ELECTRONICS CORPORATION DIV PITOMETER LOG DIVISION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
case_styleSQUARE
seal_width0.156 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
constructionONE-PIECE
overall_length0.450 INCHES MAXIMUM IN
hardness_rating50.0 SHORE DUROMETER A MAXIMUM OVERALL
mounting_methodUNTHREADED HOLE(S)
outside_diameter0.312 INCHES NOMINAL IN
overall_diameter0.875 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
style_designatorCIRCULAR
aperture_diameter0.190 INCHES NOMINAL IN
NSN5330-00-256-1030
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S1071 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
•
APERTURE DIAMETER: 2.000 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.625 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HARDNESS RATING: 50.0 SHORE DUROMETER A MAXIMUM OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
•
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER2.000 INCHES NOMINAL IN
OUTSIDE DIAMETER2.625 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING50.0 SHORE DUROMETER A MAXIMUM OVERALL
STYLE DESIGNATORCIRCULAR
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
S107-1Interchangeable
interchangeable cross-reference
interchangeable
STI-702Interchangeable
interchangeable cross-reference
interchangeable
138C107H01Interchangeable
interchangeable cross-reference
interchangeable
5866Interchangeable
interchangeable cross-reference
interchangeable
L323Interchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S1071?
S1071 is a TRANSISTOR.
What parts can replace S1071?
There are 8 known substitutes for S1071: S107-1, STI-702, 138C107H01 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S1071?
S1071 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-256-1030. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026