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G-3573 — THUMBSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

G-3573: THUMBSCREW.

The THUMBSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1025 OVERALL, head_style: KNURLED NO. 1, head_height: 0.094 INCHES NOMINAL IN, point_style: FLAT, thread_class: 3A A, head_diameter: 0.625 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-00-638-9429, 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
G-3573
NSN: 5305-00-638-9429
NIINs: 006389429, 011132399
FSC: 5305 — Screws
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 1025 OVERALL
head_styleKNURLED NO. 1
head_height0.094 INCHES NOMINAL IN
point_styleFLAT
thread_class3A A
head_diameter0.625 INCHES NOMINAL IN
thread_length0.688 INCHES MINIMUM IN
fastener_length0.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
end_item_identificationKC-135A,FLIGHT SIMULATOR A
nominal_thread_diameter0.190 INCHES IN
NSN5305-00-638-9429
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: G-3573 · OEM ⚠ 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
•
HEAD HEIGHT: 0.094 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
THREAD LENGTH: 0.688 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: KNURLED NO. 1
•
THREAD DIRECTION: RIGHT-HAND
•
POINT STYLE: FLAT
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.094 INCHES NOMINAL IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
THREAD LENGTH0.688 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEKNURLED NO. 1
THREAD DIRECTIONRIGHT-HAND
POINT STYLEFLAT
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A A
THREAD QUANTITY PER INCH32
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is G-3573?
G-3573 is a THUMBSCREW.
What is the NSN for G-3573?
G-3573 is cataloged in the U.S. Government catalog under NSN 5305-00-638-9429. 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.