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L3052987-005 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

L3052987-005: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include material: RUBBER SILICONE CLASS Q AND PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) OVERALL, construction: ONE-PIECEONE-PIECE, overall_length: 42.880 INCHES NOMINAL42.880 INCHES NOMINAL IN, style_designator: STRIP, attachment_method: ROUND HOLEROUND HOLE, cross-sectional_width: 1.560 INCHES NOMINAL1.560 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-221-8716, 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
L3052987-005
NSN: 5330-01-221-8716
FSC: 5330 — Packing and Gasket Materials
CAGE: 10000 — MANEY AIRCRAFT, INC. DBA MANEY AIRCRAFT (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q AND PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) OVERALL
constructionONE-PIECEONE-PIECE
overall_length42.880 INCHES NOMINAL42.880 INCHES NOMINAL IN
special_featuresSEAL COLOR GREY FED-STD-595 AND CONTAINS TWO VENT HOLES 0.060 IN. DIASEAL COLOR GREY FED-STD-595 AND CONTAINS TWO VENT HOLES 0.060 IN. DIA IN
style_designatorSTRIP
attachment_methodROUND HOLEROUND HOLE
cross-sectional_width1.560 INCHES NOMINAL1.560 INCHES NOMINAL IN
cross-sectional_height0.380 INCHES NOMINAL0.380 INCHES NOMINAL IN
attachment_hole_diameter0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
cross-sectional_thickness0.060 INCHES NOMINAL0.060 INCHES NOMINAL IN
attachment_feature_quantity2121
cross-sectional_shape_styleHOLLOW BULB WITH CELLULAR RUBBERHOLLOW BULB WITH CELLULAR RUBBER
NSN5330-01-221-8716
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: L3052987-005 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
ATTACHMENT HOLE DIAMETER: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
•
ATTACHMENT FEATURE QUANTITY: 2121
•
CROSS-SECTIONAL THICKNESS: 0.060 INCHES NOMINAL0.060 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.380 INCHES NOMINAL0.380 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 1.560 INCHES NOMINAL1.560 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRIP
•
MATERIAL DOCUMENT AND CLASSIFICATION: ZZ-R-765 CL 3B GR 50 FED SPEC 1ST MATERIAL RESPONSE AND 15199 FSCM 92602 MFR REF 2ND MATERIAL RESPONSE AND AMS 3195 ASSN STD 1ST MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
ATTACHMENT HOLE DIAMETER0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
ATTACHMENT FEATURE QUANTITY2121
CROSS-SECTIONAL THICKNESS0.060 INCHES NOMINAL0.060 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.380 INCHES NOMINAL0.380 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH1.560 INCHES NOMINAL1.560 INCHES NOMINAL IN
STYLE DESIGNATORSTRIP
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765 CL 3B GR 50 FED SPEC 1ST MATERIAL RESPONSE AND 15199 FSCM 92602 MFR REF 2ND MATERIAL RESPONSE AND AMS 3195 ASSN STD 1ST MATERIAL RESPONSE OVERALL
OVERALL LENGTH42.880 INCHES NOMINAL42.880 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEHOLLOW BULB WITH CELLULAR RUBBERHOLLOW BULB WITH CELLULAR RUBBER
ATTACHMENT FEATURE CENTER TO CENTER DISTANCE ALONG LENGTH2.088 INCHES NOMINAL2.088 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
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 L3052987-005?
L3052987-005 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What is the NSN for L3052987-005?
L3052987-005 is cataloged in the U.S. Government catalog under NSN 5330-01-221-8716. 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.