Serving our customers with quality and safety first.
2.360in. and 2.390in.
2.265in.
4.400in.
37 single indicator single scale
dc
3
TH-1H modification
air speed
dial
lines indicating 5 and 10 knot increments; numbers indicating 20 knot increments
1
MS27471Y-9-N-98P or equivalent
2
static port .5625-18 UNJF-3B; pitot port .4375-20 UNJF-3B
tube w/fittings
indicate forward velocity
indicating single pointer
1 panel
range = 0-200 knots; barber pole located at 105 knots; red line located at 140 knots; yellow arc located from 0-30 knots; green arc located from 30-140 knots, indicator is integrally lighted with positive 5 volts dc nvg green and tested in accordance with bht 299-947-526, bonding method per MIL-C-5541, class 3, weight is 1.0 pound , bell part number for this item is 412-375-077-103
CBHT-299-947-526 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.) .
An indicator calibrated in units which measures forward velocity.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Item does not contain precious metal.
Represents items with no adp components
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
HMIC: Hazardous Material Indicator Code. A one position code that identifies a hazardous item.
PMIC: Precious Metal Indicator Code. A one position code which identifies items that have precious metals as part of their content. precious metals are those metals generally considered to be uncommon, highly valuable, and relatively superior in certain properties such as resistance to corrosion and electrical conductivity.
ESD: Electrostatic Discharge. Indicates if an item is susceptible to electrostatic discharge or electromagnetic interference damage. electrostatic discharge damage occurs when an accumulation of static electricity generated by the relative motion or separation of materials is released to another item by direct contact. electromagnetic interference damage occurs when an item comes into proximity with an electrostatic or magnetic field.
ENAC: Enviromental Attribute Code. Identifies items with environmentally preferred characteristics.
CRITL: Criticality Indicator Code. Indicates an item is technically critical by tolerance, fit, application, nuclear hardness properties, or other characteristics.
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Th-1h supt helicopter
SOS: Source of Supply. A three position code or routing identifier code (ric), which identifies the source of supply activity.
SMIC: Special Material Indicator Code. A two position code, which categorizes material on the basis of requirements for source or quality control, technical design or configuration control, procurement, stocking and issue control, special receipt, inspection, testing, storage, or handling.
MMAC: Material Management Aggregation Code. A two position code that identifies an item of supply to be managed by a specific activity manager.
MCC: Material Echelon Code. A two position code employed by the marine corps in classifying items into categories by materiel category and procurement echelon. the alphanumeric management code is in the first position and identifies the materiel category
IMC: Denotes wether items shall be subjected to integrated management under the defense supply agency or retained by the individual military service or other department of defense components for their management. Assigned by th activity responsible for item management coding.