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74B990001-135 — GROMMET,NONMETALLIC

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

74B990001-135: GROMMET,NONMETALLIC.

The GROMMET,NONMETALLIC is a the manufacturer industrial component. Key specifications include grommet_style: ROUND, overall_height: 0.510 INCHES NOMINAL IN, special_features: HAS A RECTANGULAR APERATURE, end_item_identification: FIGHTER AIRCRAFT-FIRST (F18 E/F), large_flange_outside_diameter: 2.000 INCHES NOMINAL IN, criticality_code_justification: AGAV. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-511-6827, 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
74B990001-135
NSN: 5325-01-511-6827
FSC: 5325 — Fastening Devices
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
grommet_styleROUND
overall_height0.510 INCHES NOMINAL IN
special_featuresHAS A RECTANGULAR APERATURE
end_item_identificationFIGHTER AIRCRAFT-FIRST (F18 E/F)
large_flange_outside_diameter2.000 INCHES NOMINAL IN
criticality_code_justificationAGAV
part_name_assigned_by_controlling_agencyINAVY): GROMMET; ALSO KNOWN AS GROMMET-CONDUCTIVE & NON-CONDUCTIVE
NSN5325-01-511-6827
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 74B990001-135 · 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
•
GROMMET STYLE: ROUND
•
CRITICALITY CODE JUSTIFICATION: AGAV
•
LARGE FLANGE OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.510 INCHES NOMINAL IN
GROMMET STYLEROUND
CRITICALITY CODE JUSTIFICATIONAGAV
LARGE FLANGE OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
SPECIAL FEATURESHAS A RECTANGULAR APERATURE
PART NAME ASSIGNED BY CONTROLLING AGENCYINAVY): GROMMET; ALSO KNOWN AS GROMMET-CONDUCTIVE & NON-CONDUCTIVE
END ITEM IDENTIFICATIONFIGHTER AIRCRAFT-FIRST (F18 E/F)
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74B990001-135?
74B990001-135 is a GROMMET,NONMETALLIC.
What is the NSN for 74B990001-135?
74B990001-135 is cataloged in the U.S. Government catalog under NSN 5325-01-511-6827. 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.