NMC557-4A — GROMMET,NONMETALLIC

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

NMC557-4A: GROMMET,NONMETALLIC.

The GROMMET,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, groove_width: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN, grommet_style: ROUND, hole_diameter: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, overall_height: 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN, flange_thickness: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-038-9997, 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

NMC557-4A

NSN: 5325-00-038-9997
FSC: 5325 — Fastening Devices
CAGE: 03296 — NMC GROUP, INC. (USA)

SPECIFICATIONS

material	PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
groove_width	0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
grommet_style	ROUND
hole_diameter	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
overall_height	0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
flange_thickness	0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
groove_outside_diameter	0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
grommet_construction_type	SPLIT
large_flange_outside_diameter	0.344 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN
NSN	5325-00-038-9997

COMPONENT DIAGRAM

KEY FEATURES

•

GROMMET STYLE: ROUND

•

FLANGE THICKNESS: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN

•

LARGE FLANGE OUTSIDE DIAMETER: 0.344 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN

•

GROOVE OUTSIDE DIAMETER: 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN

•

GROMMET CONSTRUCTION TYPE: SPLIT

•

MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL

•

GROOVE WIDTH: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
GROMMET STYLE	ROUND
FLANGE THICKNESS	0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
LARGE FLANGE OUTSIDE DIAMETER	0.344 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN
GROOVE OUTSIDE DIAMETER	0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
GROMMET CONSTRUCTION TYPE	SPLIT
MATERIAL	PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
GROOVE WIDTH	0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
HOLE DIAMETER	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM 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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is NMC557-4A?

NMC557-4A is a GROMMET,NONMETALLIC.

What is the NSN for NMC557-4A?

NMC557-4A is cataloged in the U.S. Government catalog under NSN 5325-00-038-9997. This indicates validated use in U.S. government and defense supply chains.

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NMC557-4A — GROMMET,NONMETALLIC

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