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140-81-4 — RELAY,ELECTROMAGNETIC

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

140-81-4: RELAY,ELECTROMAGNETIC.

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, duty_type: CONTINUOUS, head_style: HEADLESS (SETSCREW), point_style: OVAL, construction: LAMINATED, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-014-0814, 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
140-81-4
NSN: 5305-00-014-0814
NIINs: 000140814, 006036395, 011540881
FSC: 5305 — Screws
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialCOPPER ALLOY
duty_typeCONTINUOUS
head_styleHEADLESS (SETSCREW)
point_styleOVAL
constructionLAMINATED
thread_class3A A
coil_quantity1
overall_width2.500 INCHES NOMINAL IN
thread_length0.125 INCHES MAXIMUM IN
overall_height2.380 INCHES NOMINAL IN
overall_length2.500 INCHES NOMINAL IN
fastener_length0.125 INCHES NOMINAL IN
NSN5305-00-014-0814
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 140-81-4 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
WIDTH ACROSS FLATS: 0.078 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.125 INCHES NOMINAL IN
•
THREAD LENGTH: 0.125 INCHES MAXIMUM IN
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: HEADLESS (SETSCREW)
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.078 INCHES NOMINAL IN
FASTENER LENGTH0.125 INCHES NOMINAL IN
THREAD LENGTH0.125 INCHES MAXIMUM IN
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEHEADLESS (SETSCREW)
THREAD DIRECTIONRIGHT-HAND
POINT STYLEOVAL
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 3 STYLE
SUBSTITUTES & CROSS-REFERENCES 2
FFS200Reference document
Same NSN cross-reference
Reference document — Identification reference
335-0024-000Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 140-81-4?
140-81-4 is a RELAY,ELECTROMAGNETIC.
What parts can replace 140-81-4?
There are 2 known substitutes for 140-81-4: FFS200, 335-0024-000. Substitute compatibility should be verified for your specific system.
What is the NSN for 140-81-4?
140-81-4 is cataloged in the U.S. Government catalog under NSN 5305-00-014-0814. This indicates validated use in U.S. government and defense supply chains.
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