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Technical Data Sheet
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50057 — RELAY,ELECTROMAGNETIC

✓ Government record, cited
Sandberg · ORING SEAL
PRODUCT OVERVIEW

50057: RELAY,ELECTROMAGNETIC.

Standard computer power cable for connecting your computer to a mains socket or extension cable. With 2-pin plug. Key specifications include shape: STRAIGHT, length: 1.250 INCHES NOMINAL IN, diameter: 0.2500 INCHES NOMINAL IN, material: STEEL LOCATION NOT OTHERWISE SPECIFIED, duty_type: CONTINUOUS, body_style: BUSHING MOUNTED.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-286-6851, 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
50057
NSN: 5330-00-286-6851
NIINs: 002866851, 003507776, 004917643, 006335346, 007291233, 011077754, 015813147, 015816664, 015816677, 016574949
FSC: 5330 — Packing and Gasket Materials
CAGE: 76680 — FEDERAL-MOGUL CORP CHASSIS PRODUCTS DIV (USA)
SPECIFICATIONS
shapeSTRAIGHT
length1.250 INCHES NOMINAL IN
diameter0.2500 INCHES NOMINAL IN
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
duty_typeCONTINUOUS
body_styleBUSHING MOUNTED
case_styleSQUARE
seal_width0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
body_length1.790 INCHES MINIMUM AND 1.830 INCHES MAXIMUM IN
blade_length12.00 INCHES NOMINAL IN
skirt_designNONDETACHABLE
body_diameter0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
NSN5330-00-286-6851
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 50057 MFR: Sandberg ⚠ 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
•
SEAL WIDTH: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 2.373 INCHES MINIMUM AND 2.375 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 1600 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 1.438 INCHES NOMINAL IN
•
MATERIAL: LEATHER SEALING ELEMENT A
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER2.373 INCHES MINIMUM AND 2.375 INCHES MAXIMUM IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED1600 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER1.438 INCHES NOMINAL IN
MATERIALLEATHER SEALING ELEMENT A
MATERIALRUBBER SYNTHETIC SEALING ELEMENT B
SUBSTITUTES & CROSS-REFERENCES 8
0030327-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
500293Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
114237Reference document
Same NSN cross-reference
Reference document — Secondary reference
84105Reference document
Same NSN cross-reference
Reference document — Secondary reference
030327Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
600Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 50057?
50057 is a RELAY,ELECTROMAGNETIC manufactured by Sandberg.
What parts can replace 50057?
There are 8 known substitutes for 50057: 0030327-1, 500293, 114237 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 50057?
50057 is cataloged in the U.S. Government catalog under NSN 5330-00-286-6851. 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.