PartsTable
Technical Data Sheet
Download PDF

K-740 — K-740

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

K-740: K-740.

The K-740 is a the manufacturer industrial component. Key specifications include key_type: PUSH BUTTON, material: COPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL, unit_design: DESK TOP, hole_diameter: 0.1985 INCHES MINIMUM AND 0.2015 INCHES MAXIMUM IN, keyboard_type: QWERTY ARRANGEMENT, overall_width: 2.6 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-386-9625, 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→ K-740
NSN: 5310-00-386-9625
NIINs: 003869625, 014071594, 016956047
FSC: 5310 — Nuts and Washers
CAGE: 12763 — DYNALEC CORPORATION (USA)
SPECIFICATIONS
key_typePUSH BUTTON
materialCOPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL
unit_designDESK TOP
hole_diameter0.1985 INCHES MINIMUM AND 0.2015 INCHES MAXIMUM IN
keyboard_typeQWERTY ARRANGEMENT
overall_width2.6 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
interface_typeUSB
overall_height1.2 INCHES NOMINAL IN
overall_length5.1 INCHES NOMINAL IN
outside_diameter0.599 INCHES MINIMUM AND 0.601 INCHES MAXIMUM IN
style_designatorSPRING TENSION
NSN5310-00-386-9625
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: K-740 · OEM ⚠ 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
•
STYLE DESIGNATOR: SPRING TENSION
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-533 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
OUTSIDE DIAMETER: 0.599 INCHES MINIMUM AND 0.601 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.008 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL
•
HOLE DIAMETER: 0.1985 INCHES MINIMUM AND 0.2015 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
STYLE DESIGNATORSPRING TENSION
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-533 FED SPEC ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER0.599 INCHES MINIMUM AND 0.601 INCHES MAXIMUM IN
MATERIAL THICKNESS0.008 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL
HOLE DIAMETER0.1985 INCHES MINIMUM AND 0.2015 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy K-740?
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 K-740?
K-740 is a K-740. It is classified as a MRO (MRO_GENERAL).
What is the NSN for K-740?
K-740 is cataloged in the U.S. Government catalog under NSN 5310-00-386-9625. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — K-740

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.