PartsTable
Technical Data Sheet
NAS842-6A ✓ 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

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: ALUMINUM ALLOY, drive_type: SERRATED OR SQUARE HEAD OR HEX SOCKET, design_type: THREADED, overall_diameter: 1.063 INCHES NOMINAL IN, nondefinitive_spec/std_data: 1 TYPE AND C CLASS AND 6 SIZE, thread_size_and_series/type_designator: 9/16-18 NF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-804-1243, 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
NAS842-6A
NSN: 5340-00-804-1243
FSC: 5340
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
drive_typeSERRATED OR SQUARE HEAD OR HEX SOCKET
design_typeTHREADED
overall_diameter1.063 INCHES NOMINAL IN
nondefinitive_spec/std_data1 TYPE AND C CLASS AND 6 SIZE
thread_size_and_series/type_designator9/16-18 NF
NSN5340-00-804-1243
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS842-6A 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
MATERIAL: ALUMINUM ALLOY
DESIGN TYPE: THREADED
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND C CLASS AND 6 SIZE
DRIVE TYPE: SERRATED OR SQUARE HEAD OR HEX SOCKET
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 9/16-18 NF
OVERALL DIAMETER: 1.063 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALALUMINUM ALLOY
DESIGN TYPETHREADED
NONDEFINITIVE SPEC/STD DATA1 TYPE AND C CLASS AND 6 SIZE
DRIVE TYPESERRATED OR SQUARE HEAD OR HEX SOCKET
THREAD SIZE AND SERIES/TYPE DESIGNATOR9/16-18 NF
OVERALL DIAMETER1.063 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
NAS847Upgraded Successor
successor cross-reference
successor
MIL-C-5501/7Upgraded Successor
successor cross-reference
successor
M5501/7-F24Upgraded Successor
successor cross-reference
successor
AEP1543-2Upgraded Successor
successor cross-reference
successor
EC14Upgraded Successor
successor cross-reference
successor
36B505139P4Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS842-6A?
NAS842-6A is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace NAS842-6A?
There are 21 known substitutes for NAS842-6A: NAS847, MIL-C-5501/7, M5501/7-F24 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS842-6A?
NAS842-6A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-804-1243. This indicates validated use in U.S. government and defense supply chains.
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