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C-638 — CONNECTOR,PLUG,ELECTRICAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

C-638: CONNECTOR,PLUG,ELECTRICAL.

The CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1144 OVERALL, grip_length: 3.800 INCHES NOMINAL IN, actuation_type: PULL, shank_diameter: 0.375 INCHES NOMINAL IN, actuation_method: HANDLE, basic_ingredient: PETROLATUM. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-207-0495, 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
C-638
NSN: 5315-01-207-0495
NIINs: 012070495, 012744718, 013379927
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 09332 — AEROFAST INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1144 OVERALL
grip_length3.800 INCHES NOMINAL IN
actuation_typePULL
shank_diameter0.375 INCHES NOMINAL IN
detent_quantity1
actuation_methodHANDLE
basic_ingredientPETROLATUM
special_featuresVALVE SIZE 0.750 IN. IN
style_designatorRING HANDLE
surface_treatmentZINC OVERALL
flow_control_deviceDISK
pin_attachment_typeRING
NSN5315-01-207-0495
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C-638 · 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
•
SHANK DIAMETER: 0.375 INCHES NOMINAL IN
•
ACTUATION METHOD: HANDLE
•
DETENT TO TAPERED END DISTANCE: 0.500 INCHES NOMINAL IN
•
DETENT QUANTITY: 1
•
ACTUATION TYPE: PULL
•
PIN ATTACHMENT TYPE: RING
•
STYLE DESIGNATOR: RING HANDLE
•
GRIP LENGTH: 3.800 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.375 INCHES NOMINAL IN
ACTUATION METHODHANDLE
DETENT TO TAPERED END DISTANCE0.500 INCHES NOMINAL IN
DETENT QUANTITY1
ACTUATION TYPEPULL
PIN ATTACHMENT TYPERING
STYLE DESIGNATORRING HANDLE
GRIP LENGTH3.800 INCHES NOMINAL IN
RING HANDLE DIAMETER1.125 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
2614388-4Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C-638?
C-638 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace C-638?
There is 1 known substitute for C-638: 2614388-4. Substitute compatibility should be verified for your specific system.
What is the NSN for C-638?
C-638 is cataloged in the U.S. Government catalog under NSN 5315-01-207-0495. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.