brand new BLACKHAWK or PROTO 3/8″ Drive 3/8 Deep Well Socket. 12-Point. US Army Spec, part of Humvee tool set. NSN 5120-01-399-9571. C7D7 SPECS:
5120-01-399-9571 Features
| MRC | Parameter | Characteristics |
|---|---|---|
| ABHP | Overall Length | 2.125 inches nominal |
| AJBR | Wrenching Surface Size | 0.375 inches nominal single end |
| ATNC | Drive Surface Size | 0.375 inches nominal single end |
| CBBL | Features Provided | Manual tool |
| CRWY | Wrenching Surface Shape | 12 point single end internal |
| CTCT | Drive End Shape | Square single end internal |
| MATT | Material | Steel overall |
| SFTT | Surface Treatment | Chromium overall |
| STYL | Style Designator | Internal-internal |
| ZZZK | Specification/Standard Data | 81343-SAE AS954 professional/industrial association standard |
| ZZZT | Nondefinitive Spec/STD Data | 1 type and 1 class and b style |









