[METRIC]
A-A-52521
September 26, 1995
SUPERSEDING
MS35841C
15 January 1974
MS51063C
23 April 1976
COMMERCIAL ITEM DESCRIPTION
FILLER NECK: RADIATOR
(METRIC)
The General Services Administration has authorized the use of this
commercial item description (CID) for all federal agencies.
1. SCOPE. This CID covers medium and large size radiator filler necks for 64 and 95
millimeter (mm) size radiator caps rated nominally at 41 to 55 kilopascals (kPa) and 34 to 48 kPa
pressure relieving, respectively.
2. CLASSIFICATION. The filler necks shall be of the following types:
Type I
- Medium size (for 64 mm size radiator caps)
Type II
- Large size (for 95 mm size radiator caps)
3. SALIENT CHARACTERISTICS.
3.1 Materials. The type I filler neck material shall be brass alloy, Unified Numbering System
(UNS) 24000,26000, or 26800, temper-anneal, 1.02 mm thick. The type II filler neck material
shall be brass, sheet or strip, UNS 26000, temper-optional, 1.57 mm thick. The use of recovered
material made in compliance with regulatory requirements is acceptable providing that all
requirements of this CID are met (see 6.5).