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G57NB4 — GROMMET ASSEMBLY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

G57NB4: GROMMET ASSEMBLY.

The GROMMET ASSEMBLY is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: NYLON,0.375 IN. LG OUTER GROMMET,0.250 IN.

DIA HOLE,0.562 IN. OD FLANGE INNER GROMMET,0.250 IN. LG IN.

This part is cataloged in the U.S. Government catalog under NSN 5325-00-788-4871, 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
G57NB4
NSN: 5325-00-788-4871
FSC: 5325 — Fastening Devices
CAGE: 03296 — NMC GROUP, INC. (USA)
SPECIFICATIONS
general_characteristics_item_descriptionNYLON,0.375 IN. LG OUTER GROMMET,0.250 IN. DIA HOLE,0.562 IN. OD FLANGE INNER GROMMET,0.250 IN. LG IN
NSN5325-00-788-4871
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: G57NB4 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: NYLON,0.375 IN. LG OUTER GROMMET,0.250 IN. DIA HOLE,0.562 IN. OD FLANGE INNER GROMMET,0.250 IN. LG IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONNYLON,0.375 IN. LG OUTER GROMMET,0.250 IN. DIA HOLE,0.562 IN. OD FLANGE INNER GROMMET,0.250 IN. LG IN
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is G57NB4?
G57NB4 is a GROMMET ASSEMBLY.
What is the NSN for G57NB4?
G57NB4 is cataloged in the U.S. Government catalog under NSN 5325-00-788-4871. 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.