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Technical Data Sheet
PartsTable / COMPONENT / 20-668
20-668 ✓ Verified by PartsTable
Disguise · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The NOZZLE,FUEL INJECTION is a Disguise industrial component. Key specifications include guide: NOT INCLUDED, diameter: 1.063 INCHES NOMINAL IN, material: STEEL, base_style: FOUR PIN INDEXING, body_width: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, bulb_style: T ("U" SHAPED TUBULAR). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-011-0499, 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
20-668
NSN: 5305-00-011-0499
FSC: 5305
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
guideNOT INCLUDED
diameter1.063 INCHES NOMINAL IN
materialSTEEL
base_styleFOUR PIN INDEXING
body_width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
bulb_styleT ("U" SHAPED TUBULAR)
flute_typeINTEGRAL
head_styleROUND
hole_shapeROUND
point_typeCONVENTIONAL
shank_typeMORSE TAPER
slot_width0.160 INCHES NOMINAL IN
NSN5305-00-011-0499
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 20-668 · Disguise ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD QUANTITY PER INCH: 24
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD HEIGHT: 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
•
HEAD DIAMETER: 0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
•
HEAD STYLE: ROUND
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 1S STYLE
•
THREAD CLASS: 2A A
•
THREAD LENGTH: 0.375 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH24
THREAD DIRECTIONRIGHT-HAND
HEAD HEIGHT0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
HEAD DIAMETER0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
HEAD STYLEROUND
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1S STYLE
THREAD CLASS2A A
THREAD LENGTH0.375 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
GGG-P-836 TY1CL1Interchangeable
interchangeable cross-reference
interchangeable
GGG-P-836Interchangeable
interchangeable cross-reference
interchangeable
730-13/16Interchangeable
interchangeable cross-reference
interchangeable
740Interchangeable
interchangeable cross-reference
interchangeable
0043012Interchangeable
interchangeable cross-reference
interchangeable
20-668Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20-668?
20-668 is a NOZZLE,FUEL INJECTION manufactured by Disguise.
What parts can replace 20-668?
There are 23 known substitutes for 20-668: GGG-P-836 TY1CL1, GGG-P-836, 730-13/16 and 20 more. Substitute compatibility should be verified for your specific system.
Is 20-668 still available?
20-668 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026