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47257 — RELAY,ELECTROMAGNETIC

✓ Government record, cited
Lindy · NUT WASHER
PRODUCT OVERVIEW

47257: RELAY,ELECTROMAGNETIC.

The RELAY,ELECTROMAGNETIC is a Lindy industrial component. Key specifications include material: COPPER ALLOY, nut_style: HEXAGON, nut_height: 0.375 INCHES NOMINAL IN, design_type: PLAIN, TAPERED ONE-PIECE, thread_class: 3B, thread_series: UNEF. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-734-3069, 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
47257
NSN: 5310-00-734-3069
NIINs: 007343069, 012126466, 012715145, 015796583
FSC: 5310 — Nuts and Washers
CAGE: 13841 — TIFFIN PARTS, L.L.C. DIV SUBSIDIARY OF PETTIBONE CORP. (USA)
SPECIFICATIONS
materialCOPPER ALLOY
nut_styleHEXAGON
nut_height0.375 INCHES NOMINAL IN
design_typePLAIN, TAPERED ONE-PIECE
thread_class3B
thread_seriesUNEF
hardness_rating30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
locking_featureFREE-RUNNING ALL METAL DESIGN
special_featuresEND ITEM:HIGH PRESSURE PUMP UNIT CONTROL PANEL
thread_directionRIGHT-HAND
width_across_flats1.500 INCHES NOMINAL IN
nominal_thread_size1.000 INCHES IN
NSN5310-00-734-3069
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 47257 · Lindy ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
WIDTH ACROSS FLATS: 1.500 INCHES NOMINAL IN
•
THREAD SERIES: UNEF
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
LOCKING FEATURE: FREE-RUNNING ALL METAL DESIGN
•
NUT HEIGHT: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.500 INCHES NOMINAL IN
THREAD SERIESUNEF
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.000 INCHES IN
LOCKING FEATUREFREE-RUNNING ALL METAL DESIGN
NUT HEIGHT0.375 INCHES NOMINAL IN
NUT STYLEHEXAGON
THREAD CLASS3B
SUBSTITUTES & CROSS-REFERENCES 2
16026DAReference document
Same NSN cross-reference
Reference document — Secondary reference
16026DBReference 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 47257?
47257 is a RELAY,ELECTROMAGNETIC manufactured by Lindy.
What parts can replace 47257?
There are 2 known substitutes for 47257: 16026DA, 16026DB. Substitute compatibility should be verified for your specific system.
What is the NSN for 47257?
47257 is cataloged in the U.S. Government catalog under NSN 5310-00-734-3069. This indicates validated use in U.S. government and defense supply chains.
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