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U320251 — GROMMET,NONMETALLIC

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

U320251: GROMMET,NONMETALLIC.

The GROMMET,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, tab_width: 0.067 INCHES NOMINAL IN, groove_depth: 0.100 INCHES NOMINAL IN, groove_width: 0.056 INCHES NOMINAL IN, grommet_style: EDGING, overall_width: 0.155 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-177-3972, 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
U320251
NSN: 5325-00-177-3972
FSC: 5325 — Fastening Devices
CAGE: K0680 — ROLLS-ROYCE AIRLINES (GBR)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
tab_width0.067 INCHES NOMINAL IN
groove_depth0.100 INCHES NOMINAL IN
groove_width0.056 INCHES NOMINAL IN
grommet_styleEDGING
overall_width0.155 INCHES NOMINAL IN
overall_height0.150 INCHES NOMINAL IN
width_between_tabs0.067 INCHES NOMINAL IN
grommet_overall_length19.000 INCHES NOMINAL IN
grommet_construction_typeSPLIT
material_document_and_classificationAMS 3660 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5325-00-177-3972
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: U320251 · 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: EDGING
•
GROMMET OVERALL LENGTH: 19.000 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3660 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
GROOVE DEPTH: 0.100 INCHES NOMINAL IN
•
TAB WIDTH: 0.067 INCHES NOMINAL IN
•
WIDTH BETWEEN TABS: 0.067 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.150 INCHES NOMINAL IN
GROMMET STYLEEDGING
GROMMET OVERALL LENGTH19.000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3660 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
GROOVE DEPTH0.100 INCHES NOMINAL IN
OVERALL WIDTH0.155 INCHES NOMINAL IN
TAB WIDTH0.067 INCHES NOMINAL IN
WIDTH BETWEEN TABS0.067 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
GROMMET CONSTRUCTION TYPESPLIT
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 1
6864391Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 U320251?
U320251 is a GROMMET,NONMETALLIC.
What parts can replace U320251?
There is 1 known substitute for U320251: 6864391. Substitute compatibility should be verified for your specific system.
What is the NSN for U320251?
U320251 is cataloged in the U.S. Government catalog under NSN 5325-00-177-3972. 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.