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1GWBN ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The GROMMET,METALLIC is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, barrel_style: BELL FLANGE STRAIGHT TYPE, flange_style: FLANGE, washer_style: SINGLE ROW TOOTHED W/ FLANGE, special_features: CONSISTS OF 1 SHEET METAL GROMMET AND 1 PLAIN WASHER, surface_treatment: NICKEL OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-629-6391, 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
1GWBN
NSN: 5325-01-629-6391
FSC: 5325
CAGE: 57771 — EDWIN B. STIMPSON COMPANY, INC. DBA STIMPSON (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
barrel_styleBELL FLANGE STRAIGHT TYPE
flange_styleFLANGE
washer_styleSINGLE ROW TOOTHED W/ FLANGE
special_featuresCONSISTS OF 1 SHEET METAL GROMMET AND 1 PLAIN WASHER
surface_treatmentNICKEL OVERALL
barrel_overall_height0.205 INCHES NOMINAL IN
flange_outside_diameter0.790 INCHES NOMINAL IN
material_document_and_classificationASTM B36/B36M ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyGROMMET
NSN5325-01-629-6391
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1GWBN · 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
•
MATERIAL: COPPER ALLOY OVERALL
•
WASHER STYLE: SINGLE ROW TOOTHED W/ FLANGE
•
FLANGE OUTSIDE DIAMETER: 0.790 INCHES NOMINAL IN
•
BARREL STYLE: BELL FLANGE STRAIGHT TYPE
•
BARREL OVERALL HEIGHT: 0.205 INCHES NOMINAL IN
•
FLANGE STYLE: FLANGE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
WASHER STYLESINGLE ROW TOOTHED W/ FLANGE
PART NAME ASSIGNED BY CONTROLLING AGENCYGROMMET
SPECIAL FEATURESCONSISTS OF 1 SHEET METAL GROMMET AND 1 PLAIN WASHER
FLANGE OUTSIDE DIAMETER0.790 INCHES NOMINAL IN
BARREL STYLEBELL FLANGE STRAIGHT TYPE
BARREL OVERALL HEIGHT0.205 INCHES NOMINAL IN
FLANGE STYLEFLANGE
SURFACE TREATMENTNICKEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B36/B36M ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
1114145Interchangeable
interchangeable cross-reference
interchangeable
1114074Interchangeable
interchangeable cross-reference
interchangeable
263819C91Interchangeable
interchangeable cross-reference
interchangeable
2RRGSW305SSInterchangeable
interchangeable cross-reference
interchangeable
11-1-4179Interchangeable
interchangeable cross-reference
interchangeable
11-1-4179-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1GWBN?
1GWBN is a GROMMET,METALLIC.
What parts can replace 1GWBN?
There are 24 known substitutes for 1GWBN: 1114145, 1114074, 263819C91 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1GWBN?
1GWBN is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-629-6391. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026