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Datasheet. 12H3494 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a 1st end
Refers to the location of the ends whether on the same centerline (concentric) or on different centerlines (eccentric).
concentric
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
external seat for gasket seal (boss) 1st end
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
flared w/ gasket seal (boss) 2nd end
Indicates the type of connection/s/.
threaded external boss 1st end
Indicates the type of connection/s/.
threaded external boss 2nd end
A designation that is used for the purpose of general identification of the thread.
0.438in. 2nd end ⁓2-1/64"
A designation that is used for the purpose of general identification of the thread.
0.562in. 1st end ⁓1/64"
The nominal dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
1.119in.
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 321
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
QQ-S-763 fed spec single material response
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
passivate
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
FPS-3007, fscm 81755 mfr ref single treatment response
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unf 1st end
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unf 2nd end
Answers.
Unf 2nd end
Unf 1st end
Steel comp 321
3a 1st end
Schedule B number: 7307994000
Other fittings nesoi of alloy steel not stainless
FSC 4730 ⁓ Hose, pipe, tube, lubrication, and railing fittings
Excluding air conditioning-heating fittings (fsc 4520); bituminized fiber and concrete fittings (fsc 5630); conduit boxes and fittings (fsc 5975); downspout fittings (fsc 5670); medical and surgical fittings (fsc 6515); laboratory fittings (fsc 6640); post caps and rail ends (fsc 5660); machine thread bushings and plugs (fsc 5365).
NSN 4730-01-082-2247 REDUCER,BOSS
unf 2nd end thread series passivate surface treated 3a 1st end thread class
- NIIN
- 010822247
- NIIN Date
- 08/29/79
- Schedule B
- 7307994000
- Name Code
- 23541
- FIIG
- A080B0
- Item Weight
- 0.000lbs
- Item Dimensions
- --
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- --
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Other Part Numbers Parts with same form, fit, and function by other manufacturers
| 1. | 12H3494-7 | Cage 81755 |
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12H3494 / Reducer,bossWhat is the formal definition of this item?
A straight fitting having a boss connection of a different size at each end. both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. excludes bushing (as modified).
