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Technical Data Sheet
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1988-3 — RELAY,ELECTROMAGNETIC

✓ Government record, cited
Jumbo · NUT WASHER
PRODUCT OVERVIEW

1988-3: RELAY,ELECTROMAGNETIC.

Bluetooth car kit to connect your smartphone wireless for hands-free calling in your car - Make hands-free phone calls in your car - Microphone with advanced noise cancellation to reduce background noise - Bluetooth, 10m wireless range - Built in rechargeable battery - Up to 60 hours of standby time and up to 20 hours talking time - Call pickup button This part is cataloged in the U.S. Government catalog under NSN 5310-00-596-5649, 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
1988-3
NSN: 5310-00-596-5649
NIINs: 005965649, 006918657, 007114706, 010122567, 014309251
FSC: 5310 — Nuts and Washers
CAGE: 0VK23 — BOLLHOFF RIVNUT., INC. FASTENING AND ASSEMBLY TECHNOLOGY DBA BOLLHOFF RIVNUT., INC. DIV BOLLHOFF RIVNUT., INC. (USA)
SPECIFICATIONS
width0.880 INCHES NOMINAL IN
length1.120 INCHES NOMINAL IN
materialCOPPER ALLOY 360 OVERALL
nut_styleBLIND RIVET W/SMOOTH ROUND SHANK
thickness0.003 INCHES NOMINAL IN
head_styleFLAT COUNTERSUNK UNDERCUT
nut_length1.079 INCHES MINIMUM AND 1.109 INCHES MAXIMUM IN
head_height0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
inscriptionDC MOTOR ASSY PART NO. 19794 27.5 VDC TELEDYNE SYSTEMS CO. EL SEGUNDO,CALIF. LOCATION NOT OTHERWISE SPECIFIED VDC
nut_diameter0.250 INCHES MAXIMUM IN
recess_depth0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN
thread_class3B
NSN5310-00-596-5649
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1988-3 · Jumbo ⚠ 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
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HEAD HEIGHT: 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
•
NUT LENGTH: 1.079 INCHES MINIMUM AND 1.109 INCHES MAXIMUM IN
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNF
•
HEAD COUNTERSINK ANGLE: 99.00 DEGREES MINIMUM AND 101.00 DEGREES MAXIMUM
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MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SHANK END TYPE: CLOSED
•
HEAD STYLE: FLAT COUNTERSUNK UNDERCUT
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
NUT LENGTH1.079 INCHES MINIMUM AND 1.109 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNF
HEAD COUNTERSINK ANGLE99.00 DEGREES MINIMUM AND 101.00 DEGREES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SHANK END TYPECLOSED
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.190 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 3
B1988-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
GN512F3-399Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
SKB1988-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1988-3?
1988-3 is a RELAY,ELECTROMAGNETIC manufactured by Jumbo.
What parts can replace 1988-3?
There are 3 known substitutes for 1988-3: B1988-3, GN512F3-399, SKB1988-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 1988-3?
1988-3 is cataloged in the U.S. Government catalog under NSN 5310-00-596-5649. This indicates validated use in U.S. government and defense supply chains.
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