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G3728-1 — COIL,RADIO FREQUENCY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

G3728-1: COIL,RADIO FREQUENCY.

The COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include length: 1.327 INCHES MINIMUM AND 1.331 INCHES MAXIMUM IN, material: STEEL OVERALL, body_length: 0.275 INCHES NOMINAL IN, insert_size: 0.217 IN MIN 0.221 IN MAX IN, rating_method: WINDING TURNS SINGLE COMPONENT SINGLE WINDING, turn_quantity: 8-1/2 SINGLE COMPONENT SINGLE WINDING. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-107-5562, 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
G3728-1
NSN: 5325-00-107-5562
NIINs: 001075562, 012937571
FSC: 5325 — Fastening Devices
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
length1.327 INCHES MINIMUM AND 1.331 INCHES MAXIMUM IN
materialSTEEL OVERALL
body_length0.275 INCHES NOMINAL IN
insert_size0.217 IN MIN 0.221 IN MAX IN
rating_methodWINDING TURNS SINGLE COMPONENT SINGLE WINDING
turn_quantity8-1/2 SINGLE COMPONENT SINGLE WINDING
inclosure_typeFULLY INCLOSED
mounting_methodTERMINAL SINGLE GROUP
flange_thickness0.063 INCHES NOMINAL IN
style_designatorFLANGE
surface_treatmentANODIZE OVERALL
width_across_flats0.344 INCHES NOMINAL IN
NSN5325-00-107-5562
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: G3728-1 · 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
•
WIDTH ACROSS FLATS: 0.344 INCHES NOMINAL IN
•
LENGTH: 1.327 INCHES MINIMUM AND 1.331 INCHES MAXIMUM IN
•
FLANGE THICKNESS: 0.063 INCHES NOMINAL IN
•
INSERT SIZE: 0.217 IN MIN 0.221 IN MAX IN
•
STYLE DESIGNATOR: FLANGE
•
SURFACE TREATMENT: ANODIZE OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.344 INCHES NOMINAL IN
LENGTH1.327 INCHES MINIMUM AND 1.331 INCHES MAXIMUM IN
FLANGE THICKNESS0.063 INCHES NOMINAL IN
INSERT SIZE0.217 IN MIN 0.221 IN MAX IN
STYLE DESIGNATORFLANGE
SURFACE TREATMENTANODIZE OVERALL
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
ML620-81Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is G3728-1?
G3728-1 is a COIL,RADIO FREQUENCY.
What parts can replace G3728-1?
There is 1 known substitute for G3728-1: ML620-81. Substitute compatibility should be verified for your specific system.
What is the NSN for G3728-1?
G3728-1 is cataloged in the U.S. Government catalog under NSN 5325-00-107-5562. 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.