PartsTable
Technical Data Sheet
Download PDF

31139 — CYLINDER ASSEMBLY,HYDRAULIC BRAK

✓ Government record, cited
Nathan · ORING SEAL
PRODUCT OVERVIEW

31139: CYLINDER ASSEMBLY,HYDRAULIC BRAK.

Papillon - Wizard against Super - Chick or Croco - Banana against Pirate - Fox: it’s the great battle of funny animals! But who will be the toughest? A battle game for 2 to 4 players.

Key specifications include head_style: ROUND, head_height: 0.137 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.359 INCHES NOMINAL IN, thread_length: 1.500 INCHES NOMINAL IN, screw_material: STEEL. This part is cataloged in the U.S. Government catalog under NSN 5330-00-065-4835, 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
31139
NSN: 5330-00-065-4835
NIINs: 000654835, 008418617, 008459249, 010314128, 011461345, 013587237, 014514975, 016338749
FSC: 5330 — Packing and Gasket Materials
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
head_styleROUND
head_height0.137 INCHES NOMINAL IN
thread_class2A A
head_diameter0.359 INCHES NOMINAL IN
thread_length1.500 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length1.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentNICKEL
thread_quantity_per_inch24
NSN5330-00-065-4835
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 31139 MFR: Nathan ⚠ 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
•
TEMP RATING: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
•
SEAL WIDTH: 0.375 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR-OPPOSED
•
OUTSIDE DIAMETER: 4.008 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 4.003 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3600 FEET PER MINUTE FT
•
CASE STYLE: RECESSED
•
ACCOMMODATED SHAFT DIAMETER: 3.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
SEAL WIDTH0.375 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR-OPPOSED
OUTSIDE DIAMETER4.008 INCHES NOMINAL IN
HOUSING BORE DIAMETER4.003 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3600 FEET PER MINUTE FT
CASE STYLERECESSED
ACCOMMODATED SHAFT DIAMETER3.125 INCHES NOMINAL IN
SURFACE TREATMENTPLASTIC CASE
MATERIALSTEEL CASE
SUBSTITUTES & CROSS-REFERENCES 2
31138Reference document
Same NSN cross-reference
Reference document — Secondary reference
AT47982Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
Manufacturer release date (catalog record)2015-12-02
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 31139?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 31139?
31139 is a CYLINDER ASSEMBLY,HYDRAULIC BRAK manufactured by Nathan.
What parts can replace 31139?
There are 2 known substitutes for 31139: 31138, AT47982. Substitute compatibility should be verified for your specific system.
What is the NSN for 31139?
31139 is cataloged in the U.S. Government catalog under NSN 5330-00-065-4835. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 31139