PartsTable
Technical Data Sheet
51981 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

FLANGE,COMPANION,VEHICULAR UNIVE. Key specifications include material: STEEL CORROSION RESISTING OVERALL, body_style: PLAIN, SOLID, body_width: 0.490 INCHES NOMINAL IN, bore_style: PLAIN BOTH ENDS, head_style: FLAT COUNTERSUNK, tooth_form: STANDARD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-517-2189, 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
MRO MRO_GENERAL 51981
NSN: 3020-00-517-2189
FSC: 3020
CAGE: 01843 — AMBAC INTERNATIONAL CORPORATION DIV AMBAC INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
body_stylePLAIN, SOLID
body_width0.490 INCHES NOMINAL IN
bore_stylePLAIN BOTH ENDS
head_styleFLAT COUNTERSUNK
tooth_formSTANDARD
body_height0.180 INCHES NOMINAL IN
body_length0.820 INCHES NOMINAL IN
thread_class2A A
head_diameter0.220 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
thread_length0.231 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
overall_length5.000 INCHES NOMINAL IN
NSN3020-00-517-2189
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FLANGE,COMPANION,VEHICULAR UNIVE TITLE COMPONENT PN 51981 MFR FLANGE,COMPANION,VEHIC
KEY FEATURES
TEETH QUANTITY: 84
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.625 INCHES SECOND END IN
BODY STYLE: PLAIN, SOLID
NOMINAL OUTSIDE DIAMETER: 2.6870 INCHES IN
TOOTH FORM: STANDARD
PRESSURE ANGLE: 14.5000 DEGREES
MATERIAL: STEEL COMP 416 OVERALL
FACE NOMINAL WIDTH: 0.188 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
TEETH QUANTITY84
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.625 INCHES SECOND END IN
BODY STYLEPLAIN, SOLID
NOMINAL OUTSIDE DIAMETER2.6870 INCHES IN
TOOTH FORMSTANDARD
PRESSURE ANGLE14.5000 DEGREES
MATERIALSTEEL COMP 416 OVERALL
FACE NOMINAL WIDTH0.188 INCHES IN
HUB NOMINAL DIAMETER0.750 INCHES FIRST END IN
HUB NOMINAL DIAMETER0.406 INCHES SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
7377651Interchangeable
interchangeable cross-reference
interchangeable
15-1-981Interchangeable
interchangeable cross-reference
interchangeable
427100Interchangeable
interchangeable cross-reference
interchangeable
206453Interchangeable
interchangeable cross-reference
interchangeable
51981Interchangeable
interchangeable cross-reference
interchangeable
05198-0001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 51981?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 51981?
51981 is a FLANGE,COMPANION,VEHICULAR UNIVE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 51981?
There are 15 known substitutes for 51981: 7377651, 15-1-981, 427100 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51981?
51981 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-517-2189. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 51981