PartsTable
Technical Data Sheet
37889 ✓ Verified by PartsTable
Lindy · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

- Designed for home theatre and professional AV installations<br>- Compatible with all optical SPDIF equipped devices which use the TosLink / optical SPDIF interface<br>- High grade fibre optic core with bronze ferrule for the clearest, most accurate digital audio transmission<br>- Ultra flexible triple layer protective jacket for advanced protection<br>- Sturdy, gold plated metal connector body for added strength<br>- Fully quality tested This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-273-7771, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
37889
NSN: 5310-00-273-7771
FSC: 5310
CAGE: 05643 — BARBER-GREENE CO (USA)
SPECIFICATIONS
height0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
materialSTEEL COMP 302 OVERALL
nut_styleSINGLE BALL SEAT, HEXAGON
body_width3.062 INCHES NOMINAL IN
head_styleFLAT CHAMFER
nut_height0.875 INCHES NOMINAL IN
body_height4.875 INCHES NOMINAL IN
body_length3.562 INCHES NOMINAL IN
thread_class2B
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
thread_seriesUNF
inclosure_typeHERMETICALLY SEALED
NSN5310-00-273-7771
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 37889 · 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: 1.480 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN
THREAD CLASS: 2B
THREAD QUANTITY PER INCH: 16
NOMINAL THREAD SIZE: 0.750 INCHES IN
FEATURES PROVIDED: CASEHARDENED
THREAD SERIES: UNF
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS1.480 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN
THREAD CLASS2B
END ITEM IDENTIFICATIONSHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE),WASP CLASS LHD,TRAILER, SEMI (M860A1),CHASSIS, TRUCK (TSS),TRUCK, TRACTOR (M911 & M746) (HET),HEMAT (M989), FAMILY OF MEDIUM TACTICAL VEHICLES -MEDIUM,ARMORED SECURITY VEHICLE, MODEL XM1117, SUPPORT EQUIPMENT, B-1 AIRCRAFT, TRUCK, FIRE/CRASH P8 AND MRAP; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
THREAD QUANTITY PER INCH16
NOMINAL THREAD SIZE0.750 INCHES IN
FEATURES PROVIDEDCASEHARDENED
THREAD SERIESUNF
MATERIALSTEEL OVERALL
BALL SEAT RADIUS0.875 INCHES NOMINAL IN
THREAD DIRECTIONLEFT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
73934Interchangeable
interchangeable cross-reference
interchangeable
X1041Interchangeable
interchangeable cross-reference
interchangeable
12277780Interchangeable
interchangeable cross-reference
interchangeable
10224927Interchangeable
interchangeable cross-reference
interchangeable
300116-7Interchangeable
interchangeable cross-reference
interchangeable
37889Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 37889?
37889 is a BEARING,WASHER,THRUST manufactured by Lindy.
What parts can replace 37889?
There are 24 known substitutes for 37889: 73934, X1041, 12277780 and 21 more. Substitute compatibility should be verified for your specific system.
Is 37889 still available?
37889 is currently cancelled.
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