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Technical Data Sheet
991114 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include special_features: ALSO USED ON HOUSING ASSEMBLIES, end_item_identification: VALVE,FLOW CONTROL 01-530-8060,01-454-5077 & 01-520-8856, criticality_code_justification: AGAV, part_name_assigned_by_controlling_agency: (INAVY)SCREW,CAP,SOCKET HE,AIRCRAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-016-3551, 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
991114
NSN: 5330-01-016-3551
FSC: 5330
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
special_featuresALSO USED ON HOUSING ASSEMBLIES
end_item_identificationVALVE,FLOW CONTROL 01-530-8060,01-454-5077 & 01-520-8856
criticality_code_justificationAGAV
part_name_assigned_by_controlling_agency(INAVY)SCREW,CAP,SOCKET HE,AIRCRAFT
NSN5330-01-016-3551
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 991114 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
HARDNESS RATING: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-25988 TY 2 CL 1 GR 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
ELONGATION PERCENTAGE: 125 MAXIMUM
CROSS-SECTIONAL THICKNESS: 0.033 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH2.842 INCHES MINIMUM AND 2.843 INCHES MAXIMUM IN
HARDNESS RATING55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-25988 TY 2 CL 1 GR 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
ELONGATION PERCENTAGE125 MAXIMUM
CROSS-SECTIONAL THICKNESS0.033 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
OVERALL LENGTH2.843 INCHES MINIMUM AND 2.844 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROSILICONE CLASS FQ OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
3050015274Interchangeable
interchangeable cross-reference
interchangeable
880052-0000Interchangeable
interchangeable cross-reference
interchangeable
4182250-5Interchangeable
interchangeable cross-reference
interchangeable
6797813Interchangeable
interchangeable cross-reference
interchangeable
UT1AInterchangeable
interchangeable cross-reference
interchangeable
990012Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 991114?
991114 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 991114?
There are 9 known substitutes for 991114: 3050015274, 880052-0000, 4182250-5 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 991114?
991114 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-016-3551. This indicates validated use in U.S. government and defense supply chains.
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